1888398910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 3559780224

約数和(自身を除く): 1671381314

約数列:

[1, 2, 5, 10, 41, 82, 97, 103, 194, 205, 206, 410, 461, 485, 515, 922, 970, 1030, 2305, 3977, 4223, 4610, 7954, 8446, 9991, 18901, 19885, 19982, 21115, 37802, 39770, 42230, 44717, 47483, 49955, 89434, 94505, 94966, 99910, 189010, 223585, 237415, 409631, 447170, 474830, 819262, 1833397, 1946803, 2048155, 3666794, 3893606, 4096310, 4605851, 9166985, 9211702, 9734015, 18333970, 19468030, 23029255, 46058510, 188839891, 377679782, 944199455, 1888398910]

約数ペア:

[(1, 1888398910), (2, 944199455), (5, 377679782), (10, 188839891), (41, 46058510), (82, 23029255), (97, 19468030), (103, 18333970), (194, 9734015), (205, 9211702), (206, 9166985), (410, 4605851), (461, 4096310), (485, 3893606), (515, 3666794), (922, 2048155), (970, 1946803), (1030, 1833397), (2305, 819262), (3977, 474830), (4223, 447170), (4610, 409631), (7954, 237415), (8446, 223585), (9991, 189010), (18901, 99910), (19885, 94966), (19982, 94505), (21115, 89434), (37802, 49955), (39770, 47483), (42230, 44717)]