7242940660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 15659632800

約数和(自身を除く): 8416692140

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 149, 157, 226, 274, 298, 314, 452, 548, 565, 596, 628, 685, 745, 785, 1130, 1370, 1490, 1570, 2260, 2740, 2980, 3140, 15481, 16837, 17741, 20413, 21509, 23393, 30962, 33674, 35482, 40826, 43018, 46786, 61924, 67348, 70964, 77405, 81652, 84185, 86036, 88705, 93572, 102065, 107545, 116965, 154810, 168370, 177410, 204130, 215090, 233930, 309620, 336740, 354820, 408260, 430180, 467860, 2306669, 2430517, 2643409, 3204841, 4613338, 4861034, 5286818, 6409682, 9226676, 9722068, 10573636, 11533345, 12152585, 12819364, 13217045, 16024205, 23066690, 24305170, 26434090, 32048410, 46133380, 48610340, 52868180, 64096820, 362147033, 724294066, 1448588132, 1810735165, 3621470330, 7242940660]

約数ペア:

[(1, 7242940660), (2, 3621470330), (4, 1810735165), (5, 1448588132), (10, 724294066), (20, 362147033), (113, 64096820), (137, 52868180), (149, 48610340), (157, 46133380), (226, 32048410), (274, 26434090), (298, 24305170), (314, 23066690), (452, 16024205), (548, 13217045), (565, 12819364), (596, 12152585), (628, 11533345), (685, 10573636), (745, 9722068), (785, 9226676), (1130, 6409682), (1370, 5286818), (1490, 4861034), (1570, 4613338), (2260, 3204841), (2740, 2643409), (2980, 2430517), (3140, 2306669), (15481, 467860), (16837, 430180), (17741, 408260), (20413, 354820), (21509, 336740), (23393, 309620), (30962, 233930), (33674, 215090), (35482, 204130), (40826, 177410), (43018, 168370), (46786, 154810), (61924, 116965), (67348, 107545), (70964, 102065), (77405, 93572), (81652, 88705), (84185, 86036)]