129567620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71191}}^1$

素因数の和:71220

約数の個数: 48

約数和(自身を含む): 334887168

約数和(自身を除く): 205319548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 71191, 142382, 284764, 355955, 498337, 711910, 925483, 996674, 1423820, 1850966, 1993348, 2491685, 3701932, 4627415, 4983370, 6478381, 9254830, 9966740, 12956762, 18509660, 25913524, 32391905, 64783810, 129567620]

約数ペア:

[(1, 129567620), (2, 64783810), (4, 32391905), (5, 25913524), (7, 18509660), (10, 12956762), (13, 9966740), (14, 9254830), (20, 6478381), (26, 4983370), (28, 4627415), (35, 3701932), (52, 2491685), (65, 1993348), (70, 1850966), (91, 1423820), (130, 996674), (140, 925483), (182, 711910), (260, 498337), (364, 355955), (455, 284764), (910, 142382), (1820, 71191)]