999495280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1567}}^1$

素因数の和:1671

約数の個数: 160

約数和(自身を含む): 2855817216

約数和(自身を除く): 1856321936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 67, 68, 70, 80, 85, 112, 119, 134, 136, 140, 170, 238, 268, 272, 280, 335, 340, 469, 476, 536, 560, 595, 670, 680, 938, 952, 1072, 1139, 1190, 1340, 1360, 1567, 1876, 1904, 2278, 2345, 2380, 2680, 3134, 3752, 4556, 4690, 4760, 5360, 5695, 6268, 7504, 7835, 7973, 9112, 9380, 9520, 10969, 11390, 12536, 15670, 15946, 18224, 18760, 21938, 22780, 25072, 26639, 31340, 31892, 37520, 39865, 43876, 45560, 53278, 54845, 62680, 63784, 79730, 87752, 91120, 104989, 106556, 109690, 125360, 127568, 133195, 159460, 175504, 186473, 209978, 213112, 219380, 266390, 318920, 372946, 419956, 426224, 438760, 524945, 532780, 637840, 734923, 745892, 839912, 877520, 932365, 1049890, 1065560, 1469846, 1491784, 1679824, 1784813, 1864730, 2099780, 2131120, 2939692, 2983568, 3569626, 3674615, 3729460, 4199560, 5879384, 7139252, 7349230, 7458920, 8399120, 8924065, 11758768, 12493691, 14278504, 14698460, 14917840, 17848130, 24987382, 28557008, 29396920, 35696260, 49974764, 58793840, 62468455, 71392520, 99949528, 124936910, 142785040, 199899056, 249873820, 499747640, 999495280]

約数ペア:

[(1, 999495280), (2, 499747640), (4, 249873820), (5, 199899056), (7, 142785040), (8, 124936910), (10, 99949528), (14, 71392520), (16, 62468455), (17, 58793840), (20, 49974764), (28, 35696260), (34, 29396920), (35, 28557008), (40, 24987382), (56, 17848130), (67, 14917840), (68, 14698460), (70, 14278504), (80, 12493691), (85, 11758768), (112, 8924065), (119, 8399120), (134, 7458920), (136, 7349230), (140, 7139252), (170, 5879384), (238, 4199560), (268, 3729460), (272, 3674615), (280, 3569626), (335, 2983568), (340, 2939692), (469, 2131120), (476, 2099780), (536, 1864730), (560, 1784813), (595, 1679824), (670, 1491784), (680, 1469846), (938, 1065560), (952, 1049890), (1072, 932365), (1139, 877520), (1190, 839912), (1340, 745892), (1360, 734923), (1567, 637840), (1876, 532780), (1904, 524945), (2278, 438760), (2345, 426224), (2380, 419956), (2680, 372946), (3134, 318920), (3752, 266390), (4556, 219380), (4690, 213112), (4760, 209978), (5360, 186473), (5695, 175504), (6268, 159460), (7504, 133195), (7835, 127568), (7973, 125360), (9112, 109690), (9380, 106556), (9520, 104989), (10969, 91120), (11390, 87752), (12536, 79730), (15670, 63784), (15946, 62680), (18224, 54845), (18760, 53278), (21938, 45560), (22780, 43876), (25072, 39865), (26639, 37520), (31340, 31892)]