1328778860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{7213}}^1$

素因数の和:7434

約数の個数: 48

約数和(自身を含む): 2855358912

約数和(自身を除く): 1526580052

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 151, 244, 302, 305, 604, 610, 755, 1220, 1510, 3020, 7213, 9211, 14426, 18422, 28852, 36065, 36844, 46055, 72130, 92110, 144260, 184220, 439993, 879986, 1089163, 1759972, 2178326, 2199965, 4356652, 4399930, 5445815, 8799860, 10891630, 21783260, 66438943, 132877886, 265755772, 332194715, 664389430, 1328778860]

約数ペア:

[(1, 1328778860), (2, 664389430), (4, 332194715), (5, 265755772), (10, 132877886), (20, 66438943), (61, 21783260), (122, 10891630), (151, 8799860), (244, 5445815), (302, 4399930), (305, 4356652), (604, 2199965), (610, 2178326), (755, 1759972), (1220, 1089163), (1510, 879986), (3020, 439993), (7213, 184220), (9211, 144260), (14426, 92110), (18422, 72130), (28852, 46055), (36065, 36844)]