138329620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4397}}^1$

素因数の和:4441

約数の個数: 72

約数和(自身を含む): 343941192

約数和(自身を除く): 205611572

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, 1210, 1430, 1573, 2420, 2860, 3146, 4397, 6292, 7865, 8794, 15730, 17588, 21985, 31460, 43970, 48367, 57161, 87940, 96734, 114322, 193468, 228644, 241835, 285805, 483670, 532037, 571610, 628771, 967340, 1064074, 1143220, 1257542, 2128148, 2515084, 2660185, 3143855, 5320370, 6287710, 6916481, 10640740, 12575420, 13832962, 27665924, 34582405, 69164810, 138329620]

約数ペア:

[(1, 138329620), (2, 69164810), (4, 34582405), (5, 27665924), (10, 13832962), (11, 12575420), (13, 10640740), (20, 6916481), (22, 6287710), (26, 5320370), (44, 3143855), (52, 2660185), (55, 2515084), (65, 2128148), (110, 1257542), (121, 1143220), (130, 1064074), (143, 967340), (220, 628771), (242, 571610), (260, 532037), (286, 483670), (484, 285805), (572, 241835), (605, 228644), (715, 193468), (1210, 114322), (1430, 96734), (1573, 87940), (2420, 57161), (2860, 48367), (3146, 43970), (4397, 31460), (6292, 21985), (7865, 17588), (8794, 15730)]