487495220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{5641}}^1$

素因数の和:5828

約数の個数: 48

約数和(自身を含む): 1066338000

約数和(自身を除く): 578842780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 5641, 8642, 11282, 17284, 21605, 22564, 28205, 43210, 56410, 86420, 112820, 163589, 327178, 654356, 817945, 840509, 1635890, 1681018, 3271780, 3362036, 4202545, 8405090, 16810180, 24374761, 48749522, 97499044, 121873805, 243747610, 487495220]

約数ペア:

[(1, 487495220), (2, 243747610), (4, 121873805), (5, 97499044), (10, 48749522), (20, 24374761), (29, 16810180), (58, 8405090), (116, 4202545), (145, 3362036), (149, 3271780), (290, 1681018), (298, 1635890), (580, 840509), (596, 817945), (745, 654356), (1490, 327178), (2980, 163589), (4321, 112820), (5641, 86420), (8642, 56410), (11282, 43210), (17284, 28205), (21605, 22564)]