137533838680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{245719}}^1$

素因数の和:247736

約数の個数: 64

約数和(自身を含む): 353836800000

約数和(自身を除く): 216302961320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1999, 3998, 7996, 9995, 13993, 15992, 19990, 27986, 39980, 55972, 69965, 79960, 111944, 139930, 245719, 279860, 491438, 559720, 982876, 1228595, 1720033, 1965752, 2457190, 3440066, 4914380, 6880132, 8600165, 9828760, 13760264, 17200330, 34400660, 68801320, 491192281, 982384562, 1964769124, 2455961405, 3438345967, 3929538248, 4911922810, 6876691934, 9823845620, 13753383868, 17191729835, 19647691240, 27506767736, 34383459670, 68766919340, 137533838680]

約数ペア:

[(1, 137533838680), (2, 68766919340), (4, 34383459670), (5, 27506767736), (7, 19647691240), (8, 17191729835), (10, 13753383868), (14, 9823845620), (20, 6876691934), (28, 4911922810), (35, 3929538248), (40, 3438345967), (56, 2455961405), (70, 1964769124), (140, 982384562), (280, 491192281), (1999, 68801320), (3998, 34400660), (7996, 17200330), (9995, 13760264), (13993, 9828760), (15992, 8600165), (19990, 6880132), (27986, 4914380), (39980, 3440066), (55972, 2457190), (69965, 1965752), (79960, 1720033), (111944, 1228595), (139930, 982876), (245719, 559720), (279860, 491438)]