290106680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{7547}}^1$

素因数の和:7620

約数の個数: 48

約数和(自身を含む): 674564760

約数和(自身を除く): 384458080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7547, 7688, 9610, 15094, 19220, 30188, 37735, 38440, 60376, 75470, 150940, 233957, 301880, 467914, 935828, 1169785, 1871656, 2339570, 4679140, 7252667, 9358280, 14505334, 29010668, 36263335, 58021336, 72526670, 145053340, 290106680]

約数ペア:

[(1, 290106680), (2, 145053340), (4, 72526670), (5, 58021336), (8, 36263335), (10, 29010668), (20, 14505334), (31, 9358280), (40, 7252667), (62, 4679140), (124, 2339570), (155, 1871656), (248, 1169785), (310, 935828), (620, 467914), (961, 301880), (1240, 233957), (1922, 150940), (3844, 75470), (4805, 60376), (7547, 38440), (7688, 37735), (9610, 30188), (15094, 19220)]