201723820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4457}}^1$

素因数の和:4570

約数の個数: 48

約数和(自身を含む): 443374848

約数和(自身を除く): 241651028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4457, 4526, 8914, 9052, 11315, 17828, 22285, 22630, 44570, 45260, 89140, 138167, 276334, 325361, 552668, 650722, 690835, 1301444, 1381670, 1626805, 2763340, 3253610, 6507220, 10086191, 20172382, 40344764, 50430955, 100861910, 201723820]

約数ペア:

[(1, 201723820), (2, 100861910), (4, 50430955), (5, 40344764), (10, 20172382), (20, 10086191), (31, 6507220), (62, 3253610), (73, 2763340), (124, 1626805), (146, 1381670), (155, 1301444), (292, 690835), (310, 650722), (365, 552668), (620, 325361), (730, 276334), (1460, 138167), (2263, 89140), (4457, 45260), (4526, 44570), (8914, 22630), (9052, 22285), (11315, 17828)]