649035190

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1\times {\mathrm{811}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 1178634240

約数和(自身を除く): 529599050

約数列:

[1, 2, 5, 10, 191, 382, 419, 811, 838, 955, 1622, 1910, 2095, 4055, 4190, 8110, 80029, 154901, 160058, 309802, 339809, 400145, 679618, 774505, 800290, 1549010, 1699045, 3398090, 64903519, 129807038, 324517595, 649035190]

約数ペア:

[(1, 649035190), (2, 324517595), (5, 129807038), (10, 64903519), (191, 3398090), (382, 1699045), (419, 1549010), (811, 800290), (838, 774505), (955, 679618), (1622, 400145), (1910, 339809), (2095, 309802), (4055, 160058), (4190, 154901), (8110, 80029)]