7981610

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10162390

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 179, 182, 245, 343, 358, 455, 490, 637, 686, 895, 910, 1253, 1274, 1715, 1790, 2327, 2506, 3185, 3430, 4459, 4654, 6265, 6370, 8771, 8918, 11635, 12530, 16289, 17542, 22295, 23270, 32578, 43855, 44590, 61397, 81445, 87710, 114023, 122794, 162890, 228046, 306985, 570115, 613970, 798161, 1140230, 1596322, 3990805, 7981610]

約数ペア:

[(1, 7981610), (2, 3990805), (5, 1596322), (7, 1140230), (10, 798161), (13, 613970), (14, 570115), (26, 306985), (35, 228046), (49, 162890), (65, 122794), (70, 114023), (91, 87710), (98, 81445), (130, 61397), (179, 44590), (182, 43855), (245, 32578), (343, 23270), (358, 22295), (455, 17542), (490, 16289), (637, 12530), (686, 11635), (895, 8918), (910, 8771), (1253, 6370), (1274, 6265), (1715, 4654), (1790, 4459), (2327, 3430), (2506, 3185)]