221670625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1747

約数の個数: 40

約数和(自身を含む): 318273120

約数和(自身を除く): 96602495

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 625, 1045, 1375, 1697, 2375, 5225, 6875, 8485, 11875, 18667, 26125, 32243, 42425, 93335, 130625, 161215, 212125, 354673, 466675, 806075, 1060625, 1773365, 2333375, 4030375, 8866825, 11666875, 20151875, 44334125, 221670625]

約数ペア:

[(1, 221670625), (5, 44334125), (11, 20151875), (19, 11666875), (25, 8866825), (55, 4030375), (95, 2333375), (125, 1773365), (209, 1060625), (275, 806075), (475, 466675), (625, 354673), (1045, 212125), (1375, 161215), (1697, 130625), (2375, 93335), (5225, 42425), (6875, 32243), (8485, 26125), (11875, 18667)]