217575940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 464087232

約数和(自身を除く): 246511292

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 293, 347, 428, 535, 586, 694, 1070, 1172, 1388, 1465, 1735, 2140, 2930, 3470, 5860, 6940, 31351, 37129, 62702, 74258, 101671, 125404, 148516, 156755, 185645, 203342, 313510, 371290, 406684, 508355, 627020, 742580, 1016710, 2033420, 10878797, 21757594, 43515188, 54393985, 108787970, 217575940]

約数ペア:

[(1, 217575940), (2, 108787970), (4, 54393985), (5, 43515188), (10, 21757594), (20, 10878797), (107, 2033420), (214, 1016710), (293, 742580), (347, 627020), (428, 508355), (535, 406684), (586, 371290), (694, 313510), (1070, 203342), (1172, 185645), (1388, 156755), (1465, 148516), (1735, 125404), (2140, 101671), (2930, 74258), (3470, 62702), (5860, 37129), (6940, 31351)]