1309314380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{659}}^1\times {\mathrm{821}}^1$

素因数の和:1511

約数の個数: 72

約数和(自身を含む): 3030516720

約数和(自身を除く): 1721202340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 659, 821, 1210, 1318, 1642, 2420, 2636, 3284, 3295, 4105, 6590, 7249, 8210, 9031, 13180, 14498, 16420, 18062, 28996, 36124, 36245, 45155, 72490, 79739, 90310, 99341, 144980, 159478, 180620, 198682, 318956, 397364, 398695, 496705, 541039, 797390, 993410, 1082078, 1594780, 1986820, 2164156, 2705195, 5410390, 5951429, 10820780, 11902858, 23805716, 29757145, 59514290, 65465719, 119028580, 130931438, 261862876, 327328595, 654657190, 1309314380]

約数ペア:

[(1, 1309314380), (2, 654657190), (4, 327328595), (5, 261862876), (10, 130931438), (11, 119028580), (20, 65465719), (22, 59514290), (44, 29757145), (55, 23805716), (110, 11902858), (121, 10820780), (220, 5951429), (242, 5410390), (484, 2705195), (605, 2164156), (659, 1986820), (821, 1594780), (1210, 1082078), (1318, 993410), (1642, 797390), (2420, 541039), (2636, 496705), (3284, 398695), (3295, 397364), (4105, 318956), (6590, 198682), (7249, 180620), (8210, 159478), (9031, 144980), (13180, 99341), (14498, 90310), (16420, 79739), (18062, 72490), (28996, 45155), (36124, 36245)]