1287973430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 2469519360

約数和(自身を除く): 1181545930

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 109, 155, 218, 235, 310, 470, 545, 811, 1090, 1457, 1622, 2914, 3379, 4055, 5123, 6758, 7285, 8110, 10246, 14570, 16895, 25141, 25615, 33790, 38117, 50282, 51230, 76234, 88399, 125705, 158813, 176798, 190585, 251410, 317626, 381170, 441995, 794065, 883990, 1181627, 1588130, 2363254, 2740369, 4154753, 5480738, 5908135, 8309506, 11816270, 13701845, 20773765, 27403690, 41547530, 128797343, 257594686, 643986715, 1287973430]

約数ペア:

[(1, 1287973430), (2, 643986715), (5, 257594686), (10, 128797343), (31, 41547530), (47, 27403690), (62, 20773765), (94, 13701845), (109, 11816270), (155, 8309506), (218, 5908135), (235, 5480738), (310, 4154753), (470, 2740369), (545, 2363254), (811, 1588130), (1090, 1181627), (1457, 883990), (1622, 794065), (2914, 441995), (3379, 381170), (4055, 317626), (5123, 251410), (6758, 190585), (7285, 176798), (8110, 158813), (10246, 125705), (14570, 88399), (16895, 76234), (25141, 51230), (25615, 50282), (33790, 38117)]