71705620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3851}}^1$

素因数の和:3893

約数の個数: 72

約数和(自身を含む): 184433760

約数和(自身を除く): 112728140

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, 2660, 3724, 3851, 4655, 7702, 9310, 15404, 18620, 19255, 26957, 38510, 53914, 73169, 77020, 107828, 134785, 146338, 188699, 269570, 292676, 365845, 377398, 512183, 539140, 731690, 754796, 943495, 1024366, 1463380, 1886990, 2048732, 2560915, 3585281, 3773980, 5121830, 7170562, 10243660, 14341124, 17926405, 35852810, 71705620]

約数ペア:

[(1, 71705620), (2, 35852810), (4, 17926405), (5, 14341124), (7, 10243660), (10, 7170562), (14, 5121830), (19, 3773980), (20, 3585281), (28, 2560915), (35, 2048732), (38, 1886990), (49, 1463380), (70, 1024366), (76, 943495), (95, 754796), (98, 731690), (133, 539140), (140, 512183), (190, 377398), (196, 365845), (245, 292676), (266, 269570), (380, 188699), (490, 146338), (532, 134785), (665, 107828), (931, 77020), (980, 73169), (1330, 53914), (1862, 38510), (2660, 26957), (3724, 19255), (3851, 18620), (4655, 15404), (7702, 9310)]