30577780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 66931200

約数和(自身を除く): 36353420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 331, 596, 620, 662, 745, 1324, 1490, 1655, 2980, 3310, 4619, 6620, 9238, 10261, 18476, 20522, 23095, 41044, 46190, 49319, 51305, 92380, 98638, 102610, 197276, 205220, 246595, 493190, 986380, 1528889, 3057778, 6115556, 7644445, 15288890, 30577780]

約数ペア:

[(1, 30577780), (2, 15288890), (4, 7644445), (5, 6115556), (10, 3057778), (20, 1528889), (31, 986380), (62, 493190), (124, 246595), (149, 205220), (155, 197276), (298, 102610), (310, 98638), (331, 92380), (596, 51305), (620, 49319), (662, 46190), (745, 41044), (1324, 23095), (1490, 20522), (1655, 18476), (2980, 10261), (3310, 9238), (4619, 6620)]