2449019375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11491}}^1$

素因数の和:11553

約数の個数: 40

約数和(自身を含む): 3446496768

約数和(自身を除く): 997477393

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 341, 625, 775, 1375, 1705, 3875, 6875, 8525, 11491, 19375, 42625, 57455, 126401, 213125, 287275, 356221, 632005, 1436375, 1781105, 3160025, 3918431, 7181875, 8905525, 15800125, 19592155, 44527625, 79000625, 97960775, 222638125, 489803875, 2449019375]

約数ペア:

[(1, 2449019375), (5, 489803875), (11, 222638125), (25, 97960775), (31, 79000625), (55, 44527625), (125, 19592155), (155, 15800125), (275, 8905525), (341, 7181875), (625, 3918431), (775, 3160025), (1375, 1781105), (1705, 1436375), (3875, 632005), (6875, 356221), (8525, 287275), (11491, 213125), (19375, 126401), (42625, 57455)]