1745380

素因数分解:

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

素因数の和:173

約数の個数: 72

約数和(自身を含む): 4625208

約数和(自身を除く): 2879828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 137, 140, 182, 196, 245, 260, 274, 364, 455, 490, 548, 637, 685, 910, 959, 980, 1274, 1370, 1781, 1820, 1918, 2548, 2740, 3185, 3562, 3836, 4795, 6370, 6713, 7124, 8905, 9590, 12467, 12740, 13426, 17810, 19180, 24934, 26852, 33565, 35620, 49868, 62335, 67130, 87269, 124670, 134260, 174538, 249340, 349076, 436345, 872690, 1745380]

約数ペア:

[(1, 1745380), (2, 872690), (4, 436345), (5, 349076), (7, 249340), (10, 174538), (13, 134260), (14, 124670), (20, 87269), (26, 67130), (28, 62335), (35, 49868), (49, 35620), (52, 33565), (65, 26852), (70, 24934), (91, 19180), (98, 17810), (130, 13426), (137, 12740), (140, 12467), (182, 9590), (196, 8905), (245, 7124), (260, 6713), (274, 6370), (364, 4795), (455, 3836), (490, 3562), (548, 3185), (637, 2740), (685, 2548), (910, 1918), (959, 1820), (980, 1781), (1274, 1370)]