148393040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 365601600

約数和(自身を除く): 217208560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 233, 304, 380, 419, 466, 760, 838, 932, 1165, 1520, 1676, 1864, 2095, 2330, 3352, 3728, 4190, 4427, 4660, 6704, 7961, 8380, 8854, 9320, 15922, 16760, 17708, 18640, 22135, 31844, 33520, 35416, 39805, 44270, 63688, 70832, 79610, 88540, 97627, 127376, 159220, 177080, 195254, 318440, 354160, 390508, 488135, 636880, 781016, 976270, 1562032, 1854913, 1952540, 3709826, 3905080, 7419652, 7810160, 9274565, 14839304, 18549130, 29678608, 37098260, 74196520, 148393040]

約数ペア:

[(1, 148393040), (2, 74196520), (4, 37098260), (5, 29678608), (8, 18549130), (10, 14839304), (16, 9274565), (19, 7810160), (20, 7419652), (38, 3905080), (40, 3709826), (76, 1952540), (80, 1854913), (95, 1562032), (152, 976270), (190, 781016), (233, 636880), (304, 488135), (380, 390508), (419, 354160), (466, 318440), (760, 195254), (838, 177080), (932, 159220), (1165, 127376), (1520, 97627), (1676, 88540), (1864, 79610), (2095, 70832), (2330, 63688), (3352, 44270), (3728, 39805), (4190, 35416), (4427, 33520), (4660, 31844), (6704, 22135), (7961, 18640), (8380, 17708), (8854, 16760), (9320, 15922)]