239879920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4813}}^1$

素因数の和:4922

約数の個数: 80

約数和(自身を含む): 644690880

約数和(自身を除く): 404810960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4813, 4984, 6230, 7120, 9626, 9968, 12460, 19252, 24065, 24920, 33691, 38504, 48130, 49840, 67382, 77008, 96260, 134764, 168455, 192520, 269528, 336910, 385040, 428357, 539056, 673820, 856714, 1347640, 1713428, 2141785, 2695280, 2998499, 3426856, 4283570, 5996998, 6853712, 8567140, 11993996, 14992495, 17134280, 23987992, 29984990, 34268560, 47975984, 59969980, 119939960, 239879920]

約数ペア:

[(1, 239879920), (2, 119939960), (4, 59969980), (5, 47975984), (7, 34268560), (8, 29984990), (10, 23987992), (14, 17134280), (16, 14992495), (20, 11993996), (28, 8567140), (35, 6853712), (40, 5996998), (56, 4283570), (70, 3426856), (80, 2998499), (89, 2695280), (112, 2141785), (140, 1713428), (178, 1347640), (280, 856714), (356, 673820), (445, 539056), (560, 428357), (623, 385040), (712, 336910), (890, 269528), (1246, 192520), (1424, 168455), (1780, 134764), (2492, 96260), (3115, 77008), (3560, 67382), (4813, 49840), (4984, 48130), (6230, 38504), (7120, 33691), (9626, 24920), (9968, 24065), (12460, 19252)]