251012440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{24229}}^1$

素因数の和:24284

約数の個数: 64

約数和(自身を含む): 662932800

約数和(自身を除く): 411920360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 24229, 48458, 96916, 121145, 169603, 193832, 242290, 339206, 484580, 678412, 848015, 896473, 969160, 1356824, 1696030, 1792946, 3392060, 3585892, 4482365, 6275311, 6784120, 7171784, 8964730, 12550622, 17929460, 25101244, 31376555, 35858920, 50202488, 62753110, 125506220, 251012440]

約数ペア:

[(1, 251012440), (2, 125506220), (4, 62753110), (5, 50202488), (7, 35858920), (8, 31376555), (10, 25101244), (14, 17929460), (20, 12550622), (28, 8964730), (35, 7171784), (37, 6784120), (40, 6275311), (56, 4482365), (70, 3585892), (74, 3392060), (140, 1792946), (148, 1696030), (185, 1356824), (259, 969160), (280, 896473), (296, 848015), (370, 678412), (518, 484580), (740, 339206), (1036, 242290), (1295, 193832), (1480, 169603), (2072, 121145), (2590, 96916), (5180, 48458), (10360, 24229)]