173894004

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 489216000

約数和(自身を除く): 315321996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 59, 62, 76, 93, 114, 118, 124, 139, 171, 177, 186, 228, 236, 278, 279, 342, 354, 372, 417, 531, 556, 558, 589, 684, 708, 834, 1062, 1116, 1121, 1178, 1251, 1668, 1767, 1829, 2124, 2242, 2356, 2502, 2641, 3363, 3534, 3658, 4309, 4484, 5004, 5282, 5301, 5487, 6726, 7068, 7316, 7923, 8201, 8618, 10089, 10564, 10602, 10974, 12927, 13452, 15846, 16402, 16461, 17236, 20178, 21204, 21948, 23769, 24603, 25854, 31692, 32804, 32922, 34751, 38781, 40356, 47538, 49206, 51708, 65844, 69502, 73809, 77562, 81871, 95076, 98412, 104253, 139004, 147618, 155124, 155819, 163742, 208506, 245613, 254231, 295236, 311638, 312759, 327484, 417012, 467457, 491226, 508462, 623276, 625518, 736839, 762693, 934914, 982452, 1016924, 1251036, 1402371, 1473678, 1525386, 1869828, 2288079, 2804742, 2947356, 3050772, 4576158, 4830389, 5609484, 9152316, 9660778, 14491167, 19321556, 28982334, 43473501, 57964668, 86947002, 173894004]

約数ペア:

[(1, 173894004), (2, 86947002), (3, 57964668), (4, 43473501), (6, 28982334), (9, 19321556), (12, 14491167), (18, 9660778), (19, 9152316), (31, 5609484), (36, 4830389), (38, 4576158), (57, 3050772), (59, 2947356), (62, 2804742), (76, 2288079), (93, 1869828), (114, 1525386), (118, 1473678), (124, 1402371), (139, 1251036), (171, 1016924), (177, 982452), (186, 934914), (228, 762693), (236, 736839), (278, 625518), (279, 623276), (342, 508462), (354, 491226), (372, 467457), (417, 417012), (531, 327484), (556, 312759), (558, 311638), (589, 295236), (684, 254231), (708, 245613), (834, 208506), (1062, 163742), (1116, 155819), (1121, 155124), (1178, 147618), (1251, 139004), (1668, 104253), (1767, 98412), (1829, 95076), (2124, 81871), (2242, 77562), (2356, 73809), (2502, 69502), (2641, 65844), (3363, 51708), (3534, 49206), (3658, 47538), (4309, 40356), (4484, 38781), (5004, 34751), (5282, 32922), (5301, 32804), (5487, 31692), (6726, 25854), (7068, 24603), (7316, 23769), (7923, 21948), (8201, 21204), (8618, 20178), (10089, 17236), (10564, 16461), (10602, 16402), (10974, 15846), (12927, 13452)]