166227380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 387109800

約数和(自身を除く): 220882420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 149, 220, 242, 298, 461, 484, 596, 605, 745, 922, 1210, 1490, 1639, 1844, 2305, 2420, 2980, 3278, 4610, 5071, 6556, 8195, 9220, 10142, 16390, 18029, 20284, 25355, 32780, 36058, 50710, 55781, 68689, 72116, 90145, 101420, 111562, 137378, 180290, 223124, 274756, 278905, 343445, 360580, 557810, 686890, 755579, 1115620, 1373780, 1511158, 3022316, 3777895, 7555790, 8311369, 15111580, 16622738, 33245476, 41556845, 83113690, 166227380]

約数ペア:

[(1, 166227380), (2, 83113690), (4, 41556845), (5, 33245476), (10, 16622738), (11, 15111580), (20, 8311369), (22, 7555790), (44, 3777895), (55, 3022316), (110, 1511158), (121, 1373780), (149, 1115620), (220, 755579), (242, 686890), (298, 557810), (461, 360580), (484, 343445), (596, 278905), (605, 274756), (745, 223124), (922, 180290), (1210, 137378), (1490, 111562), (1639, 101420), (1844, 90145), (2305, 72116), (2420, 68689), (2980, 55781), (3278, 50710), (4610, 36058), (5071, 32780), (6556, 25355), (8195, 20284), (9220, 18029), (10142, 16390)]