125437780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 298045440

約数和(自身を除く): 172607660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 79, 124, 130, 155, 158, 197, 260, 310, 316, 394, 395, 403, 620, 788, 790, 806, 985, 1027, 1580, 1612, 1970, 2015, 2054, 2449, 2561, 3940, 4030, 4108, 4898, 5122, 5135, 6107, 8060, 9796, 10244, 10270, 12214, 12245, 12805, 15563, 20540, 24428, 24490, 25610, 30535, 31126, 31837, 48980, 51220, 61070, 62252, 63674, 77815, 79391, 122140, 127348, 155630, 158782, 159185, 202319, 311260, 317564, 318370, 396955, 404638, 482453, 636740, 793910, 809276, 964906, 1011595, 1587820, 1929812, 2023190, 2412265, 4046380, 4824530, 6271889, 9649060, 12543778, 25087556, 31359445, 62718890, 125437780]

約数ペア:

[(1, 125437780), (2, 62718890), (4, 31359445), (5, 25087556), (10, 12543778), (13, 9649060), (20, 6271889), (26, 4824530), (31, 4046380), (52, 2412265), (62, 2023190), (65, 1929812), (79, 1587820), (124, 1011595), (130, 964906), (155, 809276), (158, 793910), (197, 636740), (260, 482453), (310, 404638), (316, 396955), (394, 318370), (395, 317564), (403, 311260), (620, 202319), (788, 159185), (790, 158782), (806, 155630), (985, 127348), (1027, 122140), (1580, 79391), (1612, 77815), (1970, 63674), (2015, 62252), (2054, 61070), (2449, 51220), (2561, 48980), (3940, 31837), (4030, 31126), (4108, 30535), (4898, 25610), (5122, 24490), (5135, 24428), (6107, 20540), (8060, 15563), (9796, 12805), (10244, 12245), (10270, 12214)]