140229740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 352665600

約数和(自身を除く): 212435860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 79, 124, 140, 155, 158, 217, 310, 316, 395, 409, 434, 553, 620, 790, 818, 868, 1085, 1106, 1580, 1636, 2045, 2170, 2212, 2449, 2765, 2863, 4090, 4340, 4898, 5530, 5726, 8180, 9796, 11060, 11452, 12245, 12679, 14315, 17143, 24490, 25358, 28630, 32311, 34286, 48980, 50716, 57260, 63395, 64622, 68572, 85715, 88753, 126790, 129244, 161555, 171430, 177506, 226177, 253580, 323110, 342860, 355012, 443765, 452354, 646220, 887530, 904708, 1001641, 1130885, 1775060, 2003282, 2261770, 4006564, 4523540, 5008205, 7011487, 10016410, 14022974, 20032820, 28045948, 35057435, 70114870, 140229740]

約数ペア:

[(1, 140229740), (2, 70114870), (4, 35057435), (5, 28045948), (7, 20032820), (10, 14022974), (14, 10016410), (20, 7011487), (28, 5008205), (31, 4523540), (35, 4006564), (62, 2261770), (70, 2003282), (79, 1775060), (124, 1130885), (140, 1001641), (155, 904708), (158, 887530), (217, 646220), (310, 452354), (316, 443765), (395, 355012), (409, 342860), (434, 323110), (553, 253580), (620, 226177), (790, 177506), (818, 171430), (868, 161555), (1085, 129244), (1106, 126790), (1580, 88753), (1636, 85715), (2045, 68572), (2170, 64622), (2212, 63395), (2449, 57260), (2765, 50716), (2863, 48980), (4090, 34286), (4340, 32311), (4898, 28630), (5530, 25358), (5726, 24490), (8180, 17143), (9796, 14315), (11060, 12679), (11452, 12245)]