398643520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1176

約数の個数: 112

約数和(自身を含む): 1046073600

約数和(自身を除く): 647430080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 160, 176, 218, 220, 320, 352, 436, 440, 545, 704, 872, 880, 1039, 1090, 1199, 1744, 1760, 2078, 2180, 2398, 3488, 3520, 4156, 4360, 4796, 5195, 5995, 6976, 8312, 8720, 9592, 10390, 11429, 11990, 16624, 17440, 19184, 20780, 22858, 23980, 33248, 34880, 38368, 41560, 45716, 47960, 57145, 66496, 76736, 83120, 91432, 95920, 113251, 114290, 166240, 182864, 191840, 226502, 228580, 332480, 365728, 383680, 453004, 457160, 566255, 731456, 906008, 914320, 1132510, 1245761, 1812016, 1828640, 2265020, 2491522, 3624032, 3657280, 4530040, 4983044, 6228805, 7248064, 9060080, 9966088, 12457610, 18120160, 19932176, 24915220, 36240320, 39864352, 49830440, 79728704, 99660880, 199321760, 398643520]

約数ペア:

[(1, 398643520), (2, 199321760), (4, 99660880), (5, 79728704), (8, 49830440), (10, 39864352), (11, 36240320), (16, 24915220), (20, 19932176), (22, 18120160), (32, 12457610), (40, 9966088), (44, 9060080), (55, 7248064), (64, 6228805), (80, 4983044), (88, 4530040), (109, 3657280), (110, 3624032), (160, 2491522), (176, 2265020), (218, 1828640), (220, 1812016), (320, 1245761), (352, 1132510), (436, 914320), (440, 906008), (545, 731456), (704, 566255), (872, 457160), (880, 453004), (1039, 383680), (1090, 365728), (1199, 332480), (1744, 228580), (1760, 226502), (2078, 191840), (2180, 182864), (2398, 166240), (3488, 114290), (3520, 113251), (4156, 95920), (4360, 91432), (4796, 83120), (5195, 76736), (5995, 66496), (6976, 57145), (8312, 47960), (8720, 45716), (9592, 41560), (10390, 38368), (11429, 34880), (11990, 33248), (16624, 23980), (17440, 22858), (19184, 20780)]