364890640

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{11489}}^1$

素因数の和:11899

約数の個数: 40

約数和(自身を含む): 850581720

約数和(自身を除く): 485691080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 11489, 15880, 22978, 31760, 45956, 57445, 91912, 114890, 183824, 229780, 459560, 919120, 4561133, 9122266, 18244532, 22805665, 36489064, 45611330, 72978128, 91222660, 182445320, 364890640]

約数ペア:

[(1, 364890640), (2, 182445320), (4, 91222660), (5, 72978128), (8, 45611330), (10, 36489064), (16, 22805665), (20, 18244532), (40, 9122266), (80, 4561133), (397, 919120), (794, 459560), (1588, 229780), (1985, 183824), (3176, 114890), (3970, 91912), (6352, 57445), (7940, 45956), (11489, 31760), (15880, 22978)]