243534760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28057}}^1$

素因数の和:28106

約数の個数: 64

約数和(自身を含む): 646456320

約数和(自身を除く): 402921560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 28057, 56114, 112228, 140285, 196399, 224456, 280570, 392798, 561140, 785596, 869767, 981995, 1122280, 1571192, 1739534, 1963990, 3479068, 3927980, 4348835, 6088369, 6958136, 7855960, 8697670, 12176738, 17395340, 24353476, 30441845, 34790680, 48706952, 60883690, 121767380, 243534760]

約数ペア:

[(1, 243534760), (2, 121767380), (4, 60883690), (5, 48706952), (7, 34790680), (8, 30441845), (10, 24353476), (14, 17395340), (20, 12176738), (28, 8697670), (31, 7855960), (35, 6958136), (40, 6088369), (56, 4348835), (62, 3927980), (70, 3479068), (124, 1963990), (140, 1739534), (155, 1571192), (217, 1122280), (248, 981995), (280, 869767), (310, 785596), (434, 561140), (620, 392798), (868, 280570), (1085, 224456), (1240, 196399), (1736, 140285), (2170, 112228), (4340, 56114), (8680, 28057)]