98987980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 258362496

約数和(自身を除く): 159374516

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 137, 140, 182, 260, 274, 364, 397, 455, 548, 685, 794, 910, 959, 1370, 1588, 1781, 1820, 1918, 1985, 2740, 2779, 3562, 3836, 3970, 4795, 5161, 5558, 7124, 7940, 8905, 9590, 10322, 11116, 12467, 13895, 17810, 19180, 20644, 24934, 25805, 27790, 35620, 36127, 49868, 51610, 54389, 55580, 62335, 72254, 103220, 108778, 124670, 144508, 180635, 217556, 249340, 271945, 361270, 380723, 543890, 707057, 722540, 761446, 1087780, 1414114, 1522892, 1903615, 2828228, 3535285, 3807230, 4949399, 7070570, 7614460, 9898798, 14141140, 19797596, 24746995, 49493990, 98987980]

約数ペア:

[(1, 98987980), (2, 49493990), (4, 24746995), (5, 19797596), (7, 14141140), (10, 9898798), (13, 7614460), (14, 7070570), (20, 4949399), (26, 3807230), (28, 3535285), (35, 2828228), (52, 1903615), (65, 1522892), (70, 1414114), (91, 1087780), (130, 761446), (137, 722540), (140, 707057), (182, 543890), (260, 380723), (274, 361270), (364, 271945), (397, 249340), (455, 217556), (548, 180635), (685, 144508), (794, 124670), (910, 108778), (959, 103220), (1370, 72254), (1588, 62335), (1781, 55580), (1820, 54389), (1918, 51610), (1985, 49868), (2740, 36127), (2779, 35620), (3562, 27790), (3836, 25805), (3970, 24934), (4795, 20644), (5161, 19180), (5558, 17810), (7124, 13895), (7940, 12467), (8905, 11116), (9590, 10322)]