1898045220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{201491}}^1$

素因数の和:201660

約数の個数: 48

約数和(自身を含む): 5348403648

約数和(自身を除く): 3450358428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 201491, 402982, 604473, 805964, 1007455, 1208946, 2014910, 2417892, 3022365, 4029820, 6044730, 12089460, 31634087, 63268174, 94902261, 126536348, 158170435, 189804522, 316340870, 379609044, 474511305, 632681740, 949022610, 1898045220]

約数ペア:

[(1, 1898045220), (2, 949022610), (3, 632681740), (4, 474511305), (5, 379609044), (6, 316340870), (10, 189804522), (12, 158170435), (15, 126536348), (20, 94902261), (30, 63268174), (60, 31634087), (157, 12089460), (314, 6044730), (471, 4029820), (628, 3022365), (785, 2417892), (942, 2014910), (1570, 1208946), (1884, 1007455), (2355, 805964), (3140, 604473), (4710, 402982), (9420, 201491)]