138987660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17417}}^1$

素因数の和:17455

約数の個数: 96

約数和(自身を含む): 468195840

約数和(自身を除く): 329208180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 17417, 34834, 52251, 69668, 87085, 104502, 121919, 174170, 209004, 243838, 261255, 330923, 348340, 365757, 487676, 522510, 609595, 661846, 731514, 992769, 1045020, 1219190, 1323692, 1463028, 1654615, 1828785, 1985538, 2316461, 2438380, 3309230, 3657570, 3971076, 4632922, 4963845, 6618460, 6949383, 7315140, 9265844, 9927690, 11582305, 13898766, 19855380, 23164610, 27797532, 34746915, 46329220, 69493830, 138987660]

約数ペア:

[(1, 138987660), (2, 69493830), (3, 46329220), (4, 34746915), (5, 27797532), (6, 23164610), (7, 19855380), (10, 13898766), (12, 11582305), (14, 9927690), (15, 9265844), (19, 7315140), (20, 6949383), (21, 6618460), (28, 4963845), (30, 4632922), (35, 3971076), (38, 3657570), (42, 3309230), (57, 2438380), (60, 2316461), (70, 1985538), (76, 1828785), (84, 1654615), (95, 1463028), (105, 1323692), (114, 1219190), (133, 1045020), (140, 992769), (190, 731514), (210, 661846), (228, 609595), (266, 522510), (285, 487676), (380, 365757), (399, 348340), (420, 330923), (532, 261255), (570, 243838), (665, 209004), (798, 174170), (1140, 121919), (1330, 104502), (1596, 87085), (1995, 69668), (2660, 52251), (3990, 34834), (7980, 17417)]