890252300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20849}}^1$

素因数の和:20931

約数の個数: 72

約数和(自身を含む): 2244127200

約数和(自身を除く): 1353874900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 610, 700, 854, 1220, 1525, 1708, 2135, 3050, 4270, 6100, 8540, 10675, 20849, 21350, 41698, 42700, 83396, 104245, 145943, 208490, 291886, 416980, 521225, 583772, 729715, 1042450, 1271789, 1459430, 2084900, 2543578, 2918860, 3648575, 5087156, 6358945, 7297150, 8902523, 12717890, 14594300, 17805046, 25435780, 31794725, 35610092, 44512615, 63589450, 89025230, 127178900, 178050460, 222563075, 445126150, 890252300]

約数ペア:

[(1, 890252300), (2, 445126150), (4, 222563075), (5, 178050460), (7, 127178900), (10, 89025230), (14, 63589450), (20, 44512615), (25, 35610092), (28, 31794725), (35, 25435780), (50, 17805046), (61, 14594300), (70, 12717890), (100, 8902523), (122, 7297150), (140, 6358945), (175, 5087156), (244, 3648575), (305, 2918860), (350, 2543578), (427, 2084900), (610, 1459430), (700, 1271789), (854, 1042450), (1220, 729715), (1525, 583772), (1708, 521225), (2135, 416980), (3050, 291886), (4270, 208490), (6100, 145943), (8540, 104245), (10675, 83396), (20849, 42700), (21350, 41698)]