8701420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:719

約数の個数: 72

約数和(自身を含む): 22924944

約数和(自身を除く): 14223524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 683, 910, 980, 1274, 1366, 1820, 2548, 2732, 3185, 3415, 4781, 6370, 6830, 8879, 9562, 12740, 13660, 17758, 19124, 23905, 33467, 35516, 44395, 47810, 62153, 66934, 88790, 95620, 124306, 133868, 167335, 177580, 248612, 310765, 334670, 435071, 621530, 669340, 870142, 1243060, 1740284, 2175355, 4350710, 8701420]

約数ペア:

[(1, 8701420), (2, 4350710), (4, 2175355), (5, 1740284), (7, 1243060), (10, 870142), (13, 669340), (14, 621530), (20, 435071), (26, 334670), (28, 310765), (35, 248612), (49, 177580), (52, 167335), (65, 133868), (70, 124306), (91, 95620), (98, 88790), (130, 66934), (140, 62153), (182, 47810), (196, 44395), (245, 35516), (260, 33467), (364, 23905), (455, 19124), (490, 17758), (637, 13660), (683, 12740), (910, 9562), (980, 8879), (1274, 6830), (1366, 6370), (1820, 4781), (2548, 3415), (2732, 3185)]