280139910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 683603712

約数和(自身を除く): 403463802

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 197, 214, 321, 394, 443, 535, 591, 642, 886, 985, 1070, 1182, 1329, 1605, 1970, 2215, 2658, 2955, 3210, 4430, 5910, 6645, 13290, 21079, 42158, 47401, 63237, 87271, 94802, 105395, 126474, 142203, 174542, 210790, 237005, 261813, 284406, 316185, 436355, 474010, 523626, 632370, 711015, 872710, 1309065, 1422030, 2618130, 9337997, 18675994, 28013991, 46689985, 56027982, 93379970, 140069955, 280139910]

約数ペア:

[(1, 280139910), (2, 140069955), (3, 93379970), (5, 56027982), (6, 46689985), (10, 28013991), (15, 18675994), (30, 9337997), (107, 2618130), (197, 1422030), (214, 1309065), (321, 872710), (394, 711015), (443, 632370), (535, 523626), (591, 474010), (642, 436355), (886, 316185), (985, 284406), (1070, 261813), (1182, 237005), (1329, 210790), (1605, 174542), (1970, 142203), (2215, 126474), (2658, 105395), (2955, 94802), (3210, 87271), (4430, 63237), (5910, 47401), (6645, 42158), (13290, 21079)]