30780860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{773}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 70997472

約数和(自身を除く): 40216612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 773, 905, 1546, 1810, 1991, 3092, 3620, 3865, 3982, 7730, 7964, 8503, 9955, 15460, 17006, 19910, 34012, 39820, 42515, 85030, 139913, 170060, 279826, 559652, 699565, 1399130, 1539043, 2798260, 3078086, 6156172, 7695215, 15390430, 30780860]

約数ペア:

[(1, 30780860), (2, 15390430), (4, 7695215), (5, 6156172), (10, 3078086), (11, 2798260), (20, 1539043), (22, 1399130), (44, 699565), (55, 559652), (110, 279826), (181, 170060), (220, 139913), (362, 85030), (724, 42515), (773, 39820), (905, 34012), (1546, 19910), (1810, 17006), (1991, 15460), (3092, 9955), (3620, 8503), (3865, 7964), (3982, 7730)]