201225580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8681}}^1$

素因数の和:8770

約数の個数: 48

約数和(自身を含む): 452158560

約数和(自身を除く): 250932980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 8681, 11590, 17362, 23180, 34724, 43405, 86810, 164939, 173620, 329878, 529541, 659756, 824695, 1059082, 1649390, 2118164, 2647705, 3298780, 5295410, 10061279, 10590820, 20122558, 40245116, 50306395, 100612790, 201225580]

約数ペア:

[(1, 201225580), (2, 100612790), (4, 50306395), (5, 40245116), (10, 20122558), (19, 10590820), (20, 10061279), (38, 5295410), (61, 3298780), (76, 2647705), (95, 2118164), (122, 1649390), (190, 1059082), (244, 824695), (305, 659756), (380, 529541), (610, 329878), (1159, 173620), (1220, 164939), (2318, 86810), (4636, 43405), (5795, 34724), (8681, 23180), (11590, 17362)]