85141420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 230858208

約数和(自身を除く): 145716788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 65, 70, 82, 91, 98, 130, 140, 163, 164, 182, 196, 205, 245, 260, 287, 326, 364, 410, 455, 490, 533, 574, 637, 652, 815, 820, 910, 980, 1066, 1141, 1148, 1274, 1435, 1630, 1820, 2009, 2119, 2132, 2282, 2548, 2665, 2870, 3185, 3260, 3731, 4018, 4238, 4564, 5330, 5705, 5740, 6370, 6683, 7462, 7987, 8036, 8476, 10045, 10595, 10660, 11410, 12740, 13366, 14833, 14924, 15974, 18655, 20090, 21190, 22820, 26117, 26732, 29666, 31948, 33415, 37310, 39935, 40180, 42380, 46781, 52234, 59332, 66830, 74165, 74620, 79870, 86879, 93562, 103831, 104468, 130585, 133660, 148330, 159740, 173758, 187124, 207662, 233905, 261170, 296660, 327467, 347516, 415324, 434395, 467810, 519155, 522340, 608153, 654934, 868790, 935620, 1038310, 1216306, 1309868, 1637335, 1737580, 2076620, 2432612, 3040765, 3274670, 4257071, 6081530, 6549340, 8514142, 12163060, 17028284, 21285355, 42570710, 85141420]

約数ペア:

[(1, 85141420), (2, 42570710), (4, 21285355), (5, 17028284), (7, 12163060), (10, 8514142), (13, 6549340), (14, 6081530), (20, 4257071), (26, 3274670), (28, 3040765), (35, 2432612), (41, 2076620), (49, 1737580), (52, 1637335), (65, 1309868), (70, 1216306), (82, 1038310), (91, 935620), (98, 868790), (130, 654934), (140, 608153), (163, 522340), (164, 519155), (182, 467810), (196, 434395), (205, 415324), (245, 347516), (260, 327467), (287, 296660), (326, 261170), (364, 233905), (410, 207662), (455, 187124), (490, 173758), (533, 159740), (574, 148330), (637, 133660), (652, 130585), (815, 104468), (820, 103831), (910, 93562), (980, 86879), (1066, 79870), (1141, 74620), (1148, 74165), (1274, 66830), (1435, 59332), (1630, 52234), (1820, 46781), (2009, 42380), (2119, 40180), (2132, 39935), (2282, 37310), (2548, 33415), (2665, 31948), (2870, 29666), (3185, 26732), (3260, 26117), (3731, 22820), (4018, 21190), (4238, 20090), (4564, 18655), (5330, 15974), (5705, 14924), (5740, 14833), (6370, 13366), (6683, 12740), (7462, 11410), (7987, 10660), (8036, 10595), (8476, 10045)]