244518820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1182

約数の個数: 144

約数和(自身を含む): 681715440

約数和(自身を除く): 437196620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 221, 238, 245, 260, 340, 364, 442, 455, 476, 490, 595, 637, 833, 884, 910, 980, 1105, 1129, 1190, 1274, 1547, 1666, 1820, 2210, 2258, 2380, 2548, 3094, 3185, 3332, 4165, 4420, 4516, 5645, 6188, 6370, 7735, 7903, 8330, 10829, 11290, 12740, 14677, 15470, 15806, 16660, 19193, 21658, 22580, 29354, 30940, 31612, 38386, 39515, 43316, 54145, 55321, 58708, 73385, 76772, 79030, 95965, 102739, 108290, 110642, 134351, 146770, 158060, 191930, 205478, 216580, 221284, 249509, 268702, 276605, 293540, 383860, 410956, 499018, 513695, 537404, 553210, 671755, 719173, 940457, 998036, 1027390, 1106420, 1247545, 1343510, 1438346, 1746563, 1880914, 2054780, 2495090, 2687020, 2876692, 3493126, 3595865, 3761828, 4702285, 4990180, 6986252, 7191730, 8732815, 9404570, 12225941, 14383460, 17465630, 18809140, 24451882, 34931260, 48903764, 61129705, 122259410, 244518820]

約数ペア:

[(1, 244518820), (2, 122259410), (4, 61129705), (5, 48903764), (7, 34931260), (10, 24451882), (13, 18809140), (14, 17465630), (17, 14383460), (20, 12225941), (26, 9404570), (28, 8732815), (34, 7191730), (35, 6986252), (49, 4990180), (52, 4702285), (65, 3761828), (68, 3595865), (70, 3493126), (85, 2876692), (91, 2687020), (98, 2495090), (119, 2054780), (130, 1880914), (140, 1746563), (170, 1438346), (182, 1343510), (196, 1247545), (221, 1106420), (238, 1027390), (245, 998036), (260, 940457), (340, 719173), (364, 671755), (442, 553210), (455, 537404), (476, 513695), (490, 499018), (595, 410956), (637, 383860), (833, 293540), (884, 276605), (910, 268702), (980, 249509), (1105, 221284), (1129, 216580), (1190, 205478), (1274, 191930), (1547, 158060), (1666, 146770), (1820, 134351), (2210, 110642), (2258, 108290), (2380, 102739), (2548, 95965), (3094, 79030), (3185, 76772), (3332, 73385), (4165, 58708), (4420, 55321), (4516, 54145), (5645, 43316), (6188, 39515), (6370, 38386), (7735, 31612), (7903, 30940), (8330, 29354), (10829, 22580), (11290, 21658), (12740, 19193), (14677, 16660), (15470, 15806)]