30421820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 75701472

約数和(自身を除く): 45279652

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 967, 1210, 1430, 1573, 1934, 2420, 2860, 3146, 3868, 4835, 6292, 7865, 9670, 10637, 12571, 15730, 19340, 21274, 25142, 31460, 42548, 50284, 53185, 62855, 106370, 117007, 125710, 138281, 212740, 234014, 251420, 276562, 468028, 553124, 585035, 691405, 1170070, 1382810, 1521091, 2340140, 2765620, 3042182, 6084364, 7605455, 15210910, 30421820]

約数ペア:

[(1, 30421820), (2, 15210910), (4, 7605455), (5, 6084364), (10, 3042182), (11, 2765620), (13, 2340140), (20, 1521091), (22, 1382810), (26, 1170070), (44, 691405), (52, 585035), (55, 553124), (65, 468028), (110, 276562), (121, 251420), (130, 234014), (143, 212740), (220, 138281), (242, 125710), (260, 117007), (286, 106370), (484, 62855), (572, 53185), (605, 50284), (715, 42548), (967, 31460), (1210, 25142), (1430, 21274), (1573, 19340), (1934, 15730), (2420, 12571), (2860, 10637), (3146, 9670), (3868, 7865), (4835, 6292)]