979929790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2209

約数の個数: 64

約数和(自身を含む): 2073600000

約数和(自身を除く): 1093670210

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 149, 235, 298, 329, 470, 658, 745, 1043, 1490, 1645, 1999, 2086, 3290, 3998, 5215, 7003, 9995, 10430, 13993, 14006, 19990, 27986, 35015, 49021, 69965, 70030, 93953, 98042, 139930, 187906, 245105, 297851, 469765, 490210, 595702, 657671, 939530, 1315342, 1489255, 2084957, 2978510, 3288355, 4169914, 6576710, 10424785, 13998997, 20849570, 27997994, 69994985, 97992979, 139989970, 195985958, 489964895, 979929790]

約数ペア:

[(1, 979929790), (2, 489964895), (5, 195985958), (7, 139989970), (10, 97992979), (14, 69994985), (35, 27997994), (47, 20849570), (70, 13998997), (94, 10424785), (149, 6576710), (235, 4169914), (298, 3288355), (329, 2978510), (470, 2084957), (658, 1489255), (745, 1315342), (1043, 939530), (1490, 657671), (1645, 595702), (1999, 490210), (2086, 469765), (3290, 297851), (3998, 245105), (5215, 187906), (7003, 139930), (9995, 98042), (10430, 93953), (13993, 70030), (14006, 69965), (19990, 49021), (27986, 35015)]