917266040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 2239488000

約数和(自身を除く): 1322221960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 89, 95, 142, 152, 178, 190, 191, 284, 355, 356, 380, 382, 445, 568, 710, 712, 760, 764, 890, 955, 1349, 1420, 1528, 1691, 1780, 1910, 2698, 2840, 3382, 3560, 3629, 3820, 5396, 6319, 6745, 6764, 7258, 7640, 8455, 10792, 12638, 13490, 13528, 13561, 14516, 16910, 16999, 18145, 25276, 26980, 27122, 29032, 31595, 33820, 33998, 36290, 50552, 53960, 54244, 63190, 67640, 67805, 67996, 72580, 84995, 108488, 120061, 126380, 135610, 135992, 145160, 169990, 240122, 252760, 257659, 271220, 322981, 339980, 480244, 515318, 542440, 600305, 645962, 679960, 960488, 1030636, 1200610, 1206929, 1288295, 1291924, 1614905, 2061272, 2401220, 2413858, 2576590, 2583848, 3229810, 4802440, 4827716, 5153180, 6034645, 6459620, 9655432, 10306360, 12069290, 12919240, 22931651, 24138580, 45863302, 48277160, 91726604, 114658255, 183453208, 229316510, 458633020, 917266040]

約数ペア:

[(1, 917266040), (2, 458633020), (4, 229316510), (5, 183453208), (8, 114658255), (10, 91726604), (19, 48277160), (20, 45863302), (38, 24138580), (40, 22931651), (71, 12919240), (76, 12069290), (89, 10306360), (95, 9655432), (142, 6459620), (152, 6034645), (178, 5153180), (190, 4827716), (191, 4802440), (284, 3229810), (355, 2583848), (356, 2576590), (380, 2413858), (382, 2401220), (445, 2061272), (568, 1614905), (710, 1291924), (712, 1288295), (760, 1206929), (764, 1200610), (890, 1030636), (955, 960488), (1349, 679960), (1420, 645962), (1528, 600305), (1691, 542440), (1780, 515318), (1910, 480244), (2698, 339980), (2840, 322981), (3382, 271220), (3560, 257659), (3629, 252760), (3820, 240122), (5396, 169990), (6319, 145160), (6745, 135992), (6764, 135610), (7258, 126380), (7640, 120061), (8455, 108488), (10792, 84995), (12638, 72580), (13490, 67996), (13528, 67805), (13561, 67640), (14516, 63190), (16910, 54244), (16999, 53960), (18145, 50552), (25276, 36290), (26980, 33998), (27122, 33820), (29032, 31595)]