9701473820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^2\times {\mathrm{431}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 21232290240

約数和(自身を除く): 11530816420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 290, 394, 431, 580, 788, 862, 985, 1724, 1970, 2155, 3940, 4310, 5713, 8620, 11426, 12499, 22852, 24998, 28565, 38809, 49996, 57130, 62495, 77618, 84907, 114260, 124990, 155236, 169814, 194045, 249980, 339628, 388090, 424535, 776180, 849070, 1125461, 1698140, 2250922, 2462303, 4501844, 4924606, 5627305, 9849212, 11254610, 12311515, 16726679, 22509220, 24623030, 33453358, 49246060, 66906716, 83633395, 167266790, 334533580, 485073691, 970147382, 1940294764, 2425368455, 4850736910, 9701473820]

約数ペア:

[(1, 9701473820), (2, 4850736910), (4, 2425368455), (5, 1940294764), (10, 970147382), (20, 485073691), (29, 334533580), (58, 167266790), (116, 83633395), (145, 66906716), (197, 49246060), (290, 33453358), (394, 24623030), (431, 22509220), (580, 16726679), (788, 12311515), (862, 11254610), (985, 9849212), (1724, 5627305), (1970, 4924606), (2155, 4501844), (3940, 2462303), (4310, 2250922), (5713, 1698140), (8620, 1125461), (11426, 849070), (12499, 776180), (22852, 424535), (24998, 388090), (28565, 339628), (38809, 249980), (49996, 194045), (57130, 169814), (62495, 155236), (77618, 124990), (84907, 114260)]