1290174910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 2480025600

約数和(自身を除く): 1189850690

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 103, 145, 206, 235, 290, 470, 515, 919, 1030, 1363, 1838, 2726, 2987, 4595, 4841, 5974, 6815, 9190, 9682, 13630, 14935, 24205, 26651, 29870, 43193, 48410, 53302, 86386, 94657, 133255, 140389, 189314, 215965, 266510, 280778, 431930, 473285, 701945, 946570, 1252597, 1403890, 2505194, 2745053, 4448879, 5490106, 6262985, 8897758, 12525970, 13725265, 22244395, 27450530, 44488790, 129017491, 258034982, 645087455, 1290174910]

約数ペア:

[(1, 1290174910), (2, 645087455), (5, 258034982), (10, 129017491), (29, 44488790), (47, 27450530), (58, 22244395), (94, 13725265), (103, 12525970), (145, 8897758), (206, 6262985), (235, 5490106), (290, 4448879), (470, 2745053), (515, 2505194), (919, 1403890), (1030, 1252597), (1363, 946570), (1838, 701945), (2726, 473285), (2987, 431930), (4595, 280778), (4841, 266510), (5974, 215965), (6815, 189314), (9190, 140389), (9682, 133255), (13630, 94657), (14935, 86386), (24205, 53302), (26651, 48410), (29870, 43193)]