31199840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 85458240

約数和(自身を除く): 54258400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 224, 280, 313, 356, 445, 560, 623, 626, 712, 890, 1120, 1246, 1252, 1424, 1565, 1780, 2191, 2492, 2504, 2848, 3115, 3130, 3560, 4382, 4984, 5008, 6230, 6260, 7120, 8764, 9968, 10016, 10955, 12460, 12520, 14240, 17528, 19936, 21910, 24920, 25040, 27857, 35056, 43820, 49840, 50080, 55714, 70112, 87640, 99680, 111428, 139285, 175280, 194999, 222856, 278570, 350560, 389998, 445712, 557140, 779996, 891424, 974995, 1114280, 1559992, 1949990, 2228560, 3119984, 3899980, 4457120, 6239968, 7799960, 15599920, 31199840]

約数ペア:

[(1, 31199840), (2, 15599920), (4, 7799960), (5, 6239968), (7, 4457120), (8, 3899980), (10, 3119984), (14, 2228560), (16, 1949990), (20, 1559992), (28, 1114280), (32, 974995), (35, 891424), (40, 779996), (56, 557140), (70, 445712), (80, 389998), (89, 350560), (112, 278570), (140, 222856), (160, 194999), (178, 175280), (224, 139285), (280, 111428), (313, 99680), (356, 87640), (445, 70112), (560, 55714), (623, 50080), (626, 49840), (712, 43820), (890, 35056), (1120, 27857), (1246, 25040), (1252, 24920), (1424, 21910), (1565, 19936), (1780, 17528), (2191, 14240), (2492, 12520), (2504, 12460), (2848, 10955), (3115, 10016), (3130, 9968), (3560, 8764), (4382, 7120), (4984, 6260), (5008, 6230)]