206910990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 256

約数和(自身を含む): 679311360

約数和(自身を除く): 472400370

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 23, 26, 27, 30, 33, 39, 45, 46, 54, 55, 65, 66, 69, 78, 90, 99, 110, 115, 117, 130, 135, 138, 143, 165, 195, 198, 207, 230, 233, 234, 253, 270, 286, 297, 299, 330, 345, 351, 390, 414, 429, 466, 495, 506, 585, 594, 598, 621, 690, 699, 702, 715, 759, 858, 897, 990, 1035, 1165, 1170, 1242, 1265, 1287, 1398, 1430, 1485, 1495, 1518, 1755, 1794, 2070, 2097, 2145, 2277, 2330, 2530, 2563, 2574, 2691, 2970, 2990, 3029, 3105, 3289, 3495, 3510, 3795, 3861, 4194, 4290, 4485, 4554, 5126, 5359, 5382, 6058, 6210, 6291, 6435, 6578, 6831, 6990, 7590, 7689, 7722, 8073, 8970, 9087, 9867, 10485, 10718, 11385, 12582, 12815, 12870, 13455, 13662, 15145, 15378, 16077, 16146, 16445, 18174, 19305, 19734, 20970, 22770, 23067, 25630, 26795, 26910, 27261, 29601, 30290, 31455, 32154, 32890, 33319, 34155, 38445, 38610, 40365, 45435, 46134, 48231, 49335, 53590, 54522, 58949, 59202, 62910, 66638, 68310, 69201, 69667, 76890, 80385, 80730, 81783, 88803, 90870, 96462, 98670, 99957, 115335, 117898, 136305, 138402, 139334, 144693, 148005, 160770, 163566, 166595, 176847, 177606, 199914, 209001, 230670, 241155, 272610, 289386, 294745, 296010, 299871, 333190, 346005, 348335, 353694, 408915, 418002, 444015, 482310, 499785, 530541, 589490, 599742, 627003, 692010, 696670, 723465, 766337, 817830, 884235, 888030, 899613, 999570, 1045005, 1061082, 1254006, 1446930, 1499355, 1532674, 1591623, 1768470, 1799226, 1881009, 2090010, 2299011, 2652705, 2998710, 3135015, 3183246, 3762018, 3831685, 4498065, 4598022, 5305410, 6270030, 6897033, 7663370, 7958115, 8996130, 9405045, 11495055, 13794066, 15916230, 18810090, 20691099, 22990110, 34485165, 41382198, 68970330, 103455495, 206910990]

約数ペア:

[(1, 206910990), (2, 103455495), (3, 68970330), (5, 41382198), (6, 34485165), (9, 22990110), (10, 20691099), (11, 18810090), (13, 15916230), (15, 13794066), (18, 11495055), (22, 9405045), (23, 8996130), (26, 7958115), (27, 7663370), (30, 6897033), (33, 6270030), (39, 5305410), (45, 4598022), (46, 4498065), (54, 3831685), (55, 3762018), (65, 3183246), (66, 3135015), (69, 2998710), (78, 2652705), (90, 2299011), (99, 2090010), (110, 1881009), (115, 1799226), (117, 1768470), (130, 1591623), (135, 1532674), (138, 1499355), (143, 1446930), (165, 1254006), (195, 1061082), (198, 1045005), (207, 999570), (230, 899613), (233, 888030), (234, 884235), (253, 817830), (270, 766337), (286, 723465), (297, 696670), (299, 692010), (330, 627003), (345, 599742), (351, 589490), (390, 530541), (414, 499785), (429, 482310), (466, 444015), (495, 418002), (506, 408915), (585, 353694), (594, 348335), (598, 346005), (621, 333190), (690, 299871), (699, 296010), (702, 294745), (715, 289386), (759, 272610), (858, 241155), (897, 230670), (990, 209001), (1035, 199914), (1165, 177606), (1170, 176847), (1242, 166595), (1265, 163566), (1287, 160770), (1398, 148005), (1430, 144693), (1485, 139334), (1495, 138402), (1518, 136305), (1755, 117898), (1794, 115335), (2070, 99957), (2097, 98670), (2145, 96462), (2277, 90870), (2330, 88803), (2530, 81783), (2563, 80730), (2574, 80385), (2691, 76890), (2970, 69667), (2990, 69201), (3029, 68310), (3105, 66638), (3289, 62910), (3495, 59202), (3510, 58949), (3795, 54522), (3861, 53590), (4194, 49335), (4290, 48231), (4485, 46134), (4554, 45435), (5126, 40365), (5359, 38610), (5382, 38445), (6058, 34155), (6210, 33319), (6291, 32890), (6435, 32154), (6578, 31455), (6831, 30290), (6990, 29601), (7590, 27261), (7689, 26910), (7722, 26795), (8073, 25630), (8970, 23067), (9087, 22770), (9867, 20970), (10485, 19734), (10718, 19305), (11385, 18174), (12582, 16445), (12815, 16146), (12870, 16077), (13455, 15378), (13662, 15145)]