104667640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 128

約数和(自身を含む): 311040000

約数和(自身を除く): 206372360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1496, 1540, 1870, 1999, 2380, 2618, 3080, 3740, 3998, 4760, 5236, 6545, 7480, 7996, 9995, 10472, 13090, 13993, 15992, 19990, 21989, 26180, 27986, 33983, 39980, 43978, 52360, 55972, 67966, 69965, 79960, 87956, 109945, 111944, 135932, 139930, 153923, 169915, 175912, 219890, 237881, 271864, 279860, 307846, 339830, 373813, 439780, 475762, 559720, 615692, 679660, 747626, 769615, 879560, 951524, 1189405, 1231384, 1359320, 1495252, 1539230, 1869065, 1903048, 2378810, 2616691, 2990504, 3078460, 3738130, 4757620, 5233382, 6156920, 7476260, 9515240, 10466764, 13083455, 14952520, 20933528, 26166910, 52333820, 104667640]

約数ペア:

[(1, 104667640), (2, 52333820), (4, 26166910), (5, 20933528), (7, 14952520), (8, 13083455), (10, 10466764), (11, 9515240), (14, 7476260), (17, 6156920), (20, 5233382), (22, 4757620), (28, 3738130), (34, 3078460), (35, 2990504), (40, 2616691), (44, 2378810), (55, 1903048), (56, 1869065), (68, 1539230), (70, 1495252), (77, 1359320), (85, 1231384), (88, 1189405), (110, 951524), (119, 879560), (136, 769615), (140, 747626), (154, 679660), (170, 615692), (187, 559720), (220, 475762), (238, 439780), (280, 373813), (308, 339830), (340, 307846), (374, 279860), (385, 271864), (440, 237881), (476, 219890), (595, 175912), (616, 169915), (680, 153923), (748, 139930), (770, 135932), (935, 111944), (952, 109945), (1190, 87956), (1309, 79960), (1496, 69965), (1540, 67966), (1870, 55972), (1999, 52360), (2380, 43978), (2618, 39980), (3080, 33983), (3740, 27986), (3998, 26180), (4760, 21989), (5236, 19990), (6545, 15992), (7480, 13993), (7996, 13090), (9995, 10472)]