28996817320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{13759}}^1$

素因数の和:13895

約数の個数: 128

約数和(自身を含む): 71331840000

約数和(自身を除く): 42335022680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 59, 76, 94, 95, 118, 152, 188, 190, 235, 236, 295, 376, 380, 470, 472, 590, 760, 893, 940, 1121, 1180, 1786, 1880, 2242, 2360, 2773, 3572, 4465, 4484, 5546, 5605, 7144, 8930, 8968, 11092, 11210, 13759, 13865, 17860, 22184, 22420, 27518, 27730, 35720, 44840, 52687, 55036, 55460, 68795, 105374, 110072, 110920, 137590, 210748, 261421, 263435, 275180, 421496, 522842, 526870, 550360, 646673, 811781, 1045684, 1053740, 1293346, 1307105, 1623562, 2091368, 2107480, 2586692, 2614210, 3233365, 3247124, 4058905, 5173384, 5228420, 6466730, 6494248, 8117810, 10456840, 12286787, 12933460, 15423839, 16235620, 24573574, 25866920, 30847678, 32471240, 38153707, 49147148, 61433935, 61695356, 76307414, 77119195, 98294296, 122867870, 123390712, 152614828, 154238390, 190768535, 245735740, 305229656, 308476780, 381537070, 491471480, 616953560, 724920433, 763074140, 1449840866, 1526148280, 2899681732, 3624602165, 5799363464, 7249204330, 14498408660, 28996817320]

約数ペア:

[(1, 28996817320), (2, 14498408660), (4, 7249204330), (5, 5799363464), (8, 3624602165), (10, 2899681732), (19, 1526148280), (20, 1449840866), (38, 763074140), (40, 724920433), (47, 616953560), (59, 491471480), (76, 381537070), (94, 308476780), (95, 305229656), (118, 245735740), (152, 190768535), (188, 154238390), (190, 152614828), (235, 123390712), (236, 122867870), (295, 98294296), (376, 77119195), (380, 76307414), (470, 61695356), (472, 61433935), (590, 49147148), (760, 38153707), (893, 32471240), (940, 30847678), (1121, 25866920), (1180, 24573574), (1786, 16235620), (1880, 15423839), (2242, 12933460), (2360, 12286787), (2773, 10456840), (3572, 8117810), (4465, 6494248), (4484, 6466730), (5546, 5228420), (5605, 5173384), (7144, 4058905), (8930, 3247124), (8968, 3233365), (11092, 2614210), (11210, 2586692), (13759, 2107480), (13865, 2091368), (17860, 1623562), (22184, 1307105), (22420, 1293346), (27518, 1053740), (27730, 1045684), (35720, 811781), (44840, 646673), (52687, 550360), (55036, 526870), (55460, 522842), (68795, 421496), (105374, 275180), (110072, 263435), (110920, 261421), (137590, 210748)]