85861720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:713

約数の個数: 96

約数和(自身を含む): 228264480

約数和(自身を除く): 142402760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 617, 710, 980, 994, 1234, 1420, 1960, 1988, 2468, 2485, 2840, 3085, 3479, 3976, 4319, 4936, 4970, 6170, 6958, 8638, 9940, 12340, 13916, 17276, 17395, 19880, 21595, 24680, 27832, 30233, 34552, 34790, 43190, 43807, 60466, 69580, 86380, 87614, 120932, 139160, 151165, 172760, 175228, 219035, 241864, 302330, 306649, 350456, 438070, 604660, 613298, 876140, 1209320, 1226596, 1533245, 1752280, 2146543, 2453192, 3066490, 4293086, 6132980, 8586172, 10732715, 12265960, 17172344, 21465430, 42930860, 85861720]

約数ペア:

[(1, 85861720), (2, 42930860), (4, 21465430), (5, 17172344), (7, 12265960), (8, 10732715), (10, 8586172), (14, 6132980), (20, 4293086), (28, 3066490), (35, 2453192), (40, 2146543), (49, 1752280), (56, 1533245), (70, 1226596), (71, 1209320), (98, 876140), (140, 613298), (142, 604660), (196, 438070), (245, 350456), (280, 306649), (284, 302330), (355, 241864), (392, 219035), (490, 175228), (497, 172760), (568, 151165), (617, 139160), (710, 120932), (980, 87614), (994, 86380), (1234, 69580), (1420, 60466), (1960, 43807), (1988, 43190), (2468, 34790), (2485, 34552), (2840, 30233), (3085, 27832), (3479, 24680), (3976, 21595), (4319, 19880), (4936, 17395), (4970, 17276), (6170, 13916), (6958, 12340), (8638, 9940)]