180025990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{7351}}^1$

素因数の和:7468

約数の個数: 32

約数和(自身を含む): 338780160

約数和(自身を除く): 158754170

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 7351, 12245, 14702, 24490, 36755, 73510, 227881, 455762, 580729, 1139405, 1161458, 2278810, 2903645, 5807290, 18002599, 36005198, 90012995, 180025990]

約数ペア:

[(1, 180025990), (2, 90012995), (5, 36005198), (10, 18002599), (31, 5807290), (62, 2903645), (79, 2278810), (155, 1161458), (158, 1139405), (310, 580729), (395, 455762), (790, 227881), (2449, 73510), (4898, 36755), (7351, 24490), (12245, 14702)]