388960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 96

約数和(自身を含む): 1143072

約数和(自身を除く): 754112

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 160, 170, 176, 187, 208, 220, 221, 260, 272, 286, 340, 352, 374, 416, 440, 442, 520, 544, 572, 680, 715, 748, 880, 884, 935, 1040, 1105, 1144, 1360, 1430, 1496, 1760, 1768, 1870, 2080, 2210, 2288, 2431, 2720, 2860, 2992, 3536, 3740, 4420, 4576, 4862, 5720, 5984, 7072, 7480, 8840, 9724, 11440, 12155, 14960, 17680, 19448, 22880, 24310, 29920, 35360, 38896, 48620, 77792, 97240, 194480, 388960]

約数ペア:

[(1, 388960), (2, 194480), (4, 97240), (5, 77792), (8, 48620), (10, 38896), (11, 35360), (13, 29920), (16, 24310), (17, 22880), (20, 19448), (22, 17680), (26, 14960), (32, 12155), (34, 11440), (40, 9724), (44, 8840), (52, 7480), (55, 7072), (65, 5984), (68, 5720), (80, 4862), (85, 4576), (88, 4420), (104, 3740), (110, 3536), (130, 2992), (136, 2860), (143, 2720), (160, 2431), (170, 2288), (176, 2210), (187, 2080), (208, 1870), (220, 1768), (221, 1760), (260, 1496), (272, 1430), (286, 1360), (340, 1144), (352, 1105), (374, 1040), (416, 935), (440, 884), (442, 880), (520, 748), (544, 715), (572, 680)]