225479.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3491}}^1$

素因数の和:3591

約数の個数: 32

約数和(自身を含む): 28285200

約数和(自身を除く): 15857240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3491, 3560, 6982, 13964, 17455, 27928, 34910, 69820, 139640, 310699, 621398, 1242796, 1553495, 2485592, 3106990, 6213980, 12427960]

約数ペア:

[(1, 12427960), (2, 6213980), (4, 3106990), (5, 2485592), (8, 1553495), (10, 1242796), (20, 621398), (40, 310699), (89, 139640), (178, 69820), (356, 34910), (445, 27928), (712, 17455), (890, 13964), (1780, 6982), (3491, 3560)]