1900599280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{579451}}^1$

素因数の和:579505

約数の個数: 40

約数和(自身を含む): 4526679024

約数和(自身を除く): 2626079744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 579451, 1158902, 2317804, 2897255, 4635608, 5794510, 9271216, 11589020, 23178040, 23757491, 46356080, 47514982, 95029964, 118787455, 190059928, 237574910, 380119856, 475149820, 950299640, 1900599280]

約数ペア:

[(1, 1900599280), (2, 950299640), (4, 475149820), (5, 380119856), (8, 237574910), (10, 190059928), (16, 118787455), (20, 95029964), (40, 47514982), (41, 46356080), (80, 23757491), (82, 23178040), (164, 11589020), (205, 9271216), (328, 5794510), (410, 4635608), (656, 2897255), (820, 2317804), (1640, 1158902), (3280, 579451)]