199027750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 391832064

約数和(自身を除く): 192804314

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 125, 155, 250, 305, 310, 421, 610, 775, 842, 1525, 1550, 1891, 2105, 3050, 3782, 3875, 4210, 7625, 7750, 9455, 10525, 13051, 15250, 18910, 21050, 25681, 26102, 47275, 51362, 52625, 65255, 94550, 105250, 128405, 130510, 236375, 256810, 326275, 472750, 642025, 652550, 796111, 1284050, 1592222, 1631375, 3210125, 3262750, 3980555, 6420250, 7961110, 19902775, 39805550, 99513875, 199027750]

約数ペア:

[(1, 199027750), (2, 99513875), (5, 39805550), (10, 19902775), (25, 7961110), (31, 6420250), (50, 3980555), (61, 3262750), (62, 3210125), (122, 1631375), (125, 1592222), (155, 1284050), (250, 796111), (305, 652550), (310, 642025), (421, 472750), (610, 326275), (775, 256810), (842, 236375), (1525, 130510), (1550, 128405), (1891, 105250), (2105, 94550), (3050, 65255), (3782, 52625), (3875, 51362), (4210, 47275), (7625, 26102), (7750, 25681), (9455, 21050), (10525, 18910), (13051, 15250)]