1397431040

素因数分解:

$2^8\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1129}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 3353713440

約数和(自身を除く): 1956282400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 967, 1129, 1280, 1934, 2258, 3868, 4516, 4835, 5645, 7736, 9032, 9670, 11290, 15472, 18064, 19340, 22580, 30944, 36128, 38680, 45160, 61888, 72256, 77360, 90320, 123776, 144512, 154720, 180640, 247552, 289024, 309440, 361280, 618880, 722560, 1091743, 1237760, 1445120, 2183486, 4366972, 5458715, 8733944, 10917430, 17467888, 21834860, 34935776, 43669720, 69871552, 87339440, 139743104, 174678880, 279486208, 349357760, 698715520, 1397431040]

約数ペア:

[(1, 1397431040), (2, 698715520), (4, 349357760), (5, 279486208), (8, 174678880), (10, 139743104), (16, 87339440), (20, 69871552), (32, 43669720), (40, 34935776), (64, 21834860), (80, 17467888), (128, 10917430), (160, 8733944), (256, 5458715), (320, 4366972), (640, 2183486), (967, 1445120), (1129, 1237760), (1280, 1091743), (1934, 722560), (2258, 618880), (3868, 361280), (4516, 309440), (4835, 289024), (5645, 247552), (7736, 180640), (9032, 154720), (9670, 144512), (11290, 123776), (15472, 90320), (18064, 77360), (19340, 72256), (22580, 61888), (30944, 45160), (36128, 38680)]