68659940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2384

約数の個数: 48

約数和(自身を含む): 154450800

約数和(自身を除く): 85790860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 2269, 3026, 4538, 6052, 7565, 9076, 11345, 15130, 22690, 30260, 38573, 45380, 77146, 154292, 192865, 201941, 385730, 403882, 771460, 807764, 1009705, 2019410, 3432997, 4038820, 6865994, 13731988, 17164985, 34329970, 68659940]

約数ペア:

[(1, 68659940), (2, 34329970), (4, 17164985), (5, 13731988), (10, 6865994), (17, 4038820), (20, 3432997), (34, 2019410), (68, 1009705), (85, 807764), (89, 771460), (170, 403882), (178, 385730), (340, 201941), (356, 192865), (445, 154292), (890, 77146), (1513, 45380), (1780, 38573), (2269, 30260), (3026, 22690), (4538, 15130), (6052, 11345), (7565, 9076)]