478720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:51

約数の個数: 80

約数和(自身を含む): 1325808

約数和(自身を除く): 847088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 256, 272, 320, 340, 352, 374, 440, 512, 544, 640, 680, 704, 748, 880, 935, 1088, 1280, 1360, 1408, 1496, 1760, 1870, 2176, 2560, 2720, 2816, 2992, 3520, 3740, 4352, 5440, 5632, 5984, 7040, 7480, 8704, 10880, 11968, 14080, 14960, 21760, 23936, 28160, 29920, 43520, 47872, 59840, 95744, 119680, 239360, 478720]

約数ペア:

[(1, 478720), (2, 239360), (4, 119680), (5, 95744), (8, 59840), (10, 47872), (11, 43520), (16, 29920), (17, 28160), (20, 23936), (22, 21760), (32, 14960), (34, 14080), (40, 11968), (44, 10880), (55, 8704), (64, 7480), (68, 7040), (80, 5984), (85, 5632), (88, 5440), (110, 4352), (128, 3740), (136, 3520), (160, 2992), (170, 2816), (176, 2720), (187, 2560), (220, 2176), (256, 1870), (272, 1760), (320, 1496), (340, 1408), (352, 1360), (374, 1280), (440, 1088), (512, 935), (544, 880), (640, 748), (680, 704)]