1874334100

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^2\times {\mathrm{421}}^1$

素因数の和:857

約数の個数: 54

約数和(自身を含む): 4096379742

約数和(自身を除く): 2222045642

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 421, 422, 842, 844, 1055, 1684, 2105, 2110, 4210, 4220, 5275, 8420, 10525, 10550, 21050, 21100, 42100, 44521, 88831, 89042, 177662, 178084, 222605, 355324, 444155, 445210, 888310, 890420, 1113025, 1776620, 2220775, 2226050, 4441550, 4452100, 8883100, 18743341, 37486682, 74973364, 93716705, 187433410, 374866820, 468583525, 937167050, 1874334100]

約数ペア:

[(1, 1874334100), (2, 937167050), (4, 468583525), (5, 374866820), (10, 187433410), (20, 93716705), (25, 74973364), (50, 37486682), (100, 18743341), (211, 8883100), (421, 4452100), (422, 4441550), (842, 2226050), (844, 2220775), (1055, 1776620), (1684, 1113025), (2105, 890420), (2110, 888310), (4210, 445210), (4220, 444155), (5275, 355324), (8420, 222605), (10525, 178084), (10550, 177662), (21050, 89042), (21100, 88831), (42100, 44521)]