220492796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 416640000

約数和(自身を除く): 196147204

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 199, 239, 244, 398, 478, 796, 956, 1159, 2318, 3781, 4541, 4636, 7562, 9082, 12139, 14579, 15124, 18164, 24278, 29158, 47561, 48556, 58316, 95122, 190244, 230641, 277001, 461282, 554002, 903659, 922564, 1108004, 1807318, 2901221, 3614636, 5802442, 11604884, 55123199, 110246398, 220492796]

約数ペア:

[(1, 220492796), (2, 110246398), (4, 55123199), (19, 11604884), (38, 5802442), (61, 3614636), (76, 2901221), (122, 1807318), (199, 1108004), (239, 922564), (244, 903659), (398, 554002), (478, 461282), (796, 277001), (956, 230641), (1159, 190244), (2318, 95122), (3781, 58316), (4541, 48556), (4636, 47561), (7562, 29158), (9082, 24278), (12139, 18164), (14579, 15124)]