30213940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 66361680

約数和(自身を除く): 36147740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 290, 452, 461, 565, 580, 922, 1130, 1844, 2260, 2305, 3277, 4610, 6554, 9220, 13108, 13369, 16385, 26738, 32770, 52093, 53476, 65540, 66845, 104186, 133690, 208372, 260465, 267380, 520930, 1041860, 1510697, 3021394, 6042788, 7553485, 15106970, 30213940]

約数ペア:

[(1, 30213940), (2, 15106970), (4, 7553485), (5, 6042788), (10, 3021394), (20, 1510697), (29, 1041860), (58, 520930), (113, 267380), (116, 260465), (145, 208372), (226, 133690), (290, 104186), (452, 66845), (461, 65540), (565, 53476), (580, 52093), (922, 32770), (1130, 26738), (1844, 16385), (2260, 13369), (2305, 13108), (3277, 9220), (4610, 6554)]