39865420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2183

約数の個数: 72

約数和(自身を含む): 102558960

約数和(自身を除く): 62693540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2141, 2660, 3724, 4282, 4655, 8564, 9310, 10705, 14987, 18620, 21410, 29974, 40679, 42820, 59948, 74935, 81358, 104909, 149870, 162716, 203395, 209818, 284753, 299740, 406790, 419636, 524545, 569506, 813580, 1049090, 1139012, 1423765, 1993271, 2098180, 2847530, 3986542, 5695060, 7973084, 9966355, 19932710, 39865420]

約数ペア:

[(1, 39865420), (2, 19932710), (4, 9966355), (5, 7973084), (7, 5695060), (10, 3986542), (14, 2847530), (19, 2098180), (20, 1993271), (28, 1423765), (35, 1139012), (38, 1049090), (49, 813580), (70, 569506), (76, 524545), (95, 419636), (98, 406790), (133, 299740), (140, 284753), (190, 209818), (196, 203395), (245, 162716), (266, 149870), (380, 104909), (490, 81358), (532, 74935), (665, 59948), (931, 42820), (980, 40679), (1330, 29974), (1862, 21410), (2141, 18620), (2660, 14987), (3724, 10705), (4282, 9310), (4655, 8564)]