68214860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 170299584

約数和(自身を除く): 102084724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1481, 1645, 2303, 2962, 3290, 4606, 5924, 6580, 7405, 9212, 10367, 11515, 14810, 20734, 23030, 29620, 41468, 46060, 51835, 69607, 72569, 103670, 139214, 145138, 207340, 278428, 290276, 348035, 362845, 487249, 696070, 725690, 974498, 1392140, 1451380, 1948996, 2436245, 3410743, 4872490, 6821486, 9744980, 13642972, 17053715, 34107430, 68214860]

約数ペア:

[(1, 68214860), (2, 34107430), (4, 17053715), (5, 13642972), (7, 9744980), (10, 6821486), (14, 4872490), (20, 3410743), (28, 2436245), (35, 1948996), (47, 1451380), (49, 1392140), (70, 974498), (94, 725690), (98, 696070), (140, 487249), (188, 362845), (196, 348035), (235, 290276), (245, 278428), (329, 207340), (470, 145138), (490, 139214), (658, 103670), (940, 72569), (980, 69607), (1316, 51835), (1481, 46060), (1645, 41468), (2303, 29620), (2962, 23030), (3290, 20734), (4606, 14810), (5924, 11515), (6580, 10367), (7405, 9212)]