959403980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{2417}}^1$

素因数の和:2738

約数の個数: 48

約数和(自身を含む): 2047368960

約数和(自身を除く): 1087964980

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 223, 356, 445, 446, 890, 892, 1115, 1780, 2230, 2417, 4460, 4834, 9668, 12085, 19847, 24170, 39694, 48340, 79388, 99235, 198470, 215113, 396940, 430226, 538991, 860452, 1075565, 1077982, 2151130, 2155964, 2694955, 4302260, 5389910, 10779820, 47970199, 95940398, 191880796, 239850995, 479701990, 959403980]

約数ペア:

[(1, 959403980), (2, 479701990), (4, 239850995), (5, 191880796), (10, 95940398), (20, 47970199), (89, 10779820), (178, 5389910), (223, 4302260), (356, 2694955), (445, 2155964), (446, 2151130), (890, 1077982), (892, 1075565), (1115, 860452), (1780, 538991), (2230, 430226), (2417, 396940), (4460, 215113), (4834, 198470), (9668, 99235), (12085, 79388), (19847, 48340), (24170, 39694)]