279027380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 594095040

約数和(自身を除く): 315067660

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 281, 379, 524, 562, 655, 758, 1124, 1310, 1405, 1516, 1895, 2620, 2810, 3790, 5620, 7580, 36811, 49649, 73622, 99298, 106499, 147244, 184055, 198596, 212998, 248245, 368110, 425996, 496490, 532495, 736220, 992980, 1064990, 2129980, 13951369, 27902738, 55805476, 69756845, 139513690, 279027380]

約数ペア:

[(1, 279027380), (2, 139513690), (4, 69756845), (5, 55805476), (10, 27902738), (20, 13951369), (131, 2129980), (262, 1064990), (281, 992980), (379, 736220), (524, 532495), (562, 496490), (655, 425996), (758, 368110), (1124, 248245), (1310, 212998), (1405, 198596), (1516, 184055), (1895, 147244), (2620, 106499), (2810, 99298), (3790, 73622), (5620, 49649), (7580, 36811)]