30735400

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 71870400

約数和(自身を除く): 41135000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 478, 643, 956, 1195, 1286, 1912, 2390, 2572, 3215, 4780, 5144, 5975, 6430, 9560, 11950, 12860, 16075, 23900, 25720, 32150, 47800, 64300, 128600, 153677, 307354, 614708, 768385, 1229416, 1536770, 3073540, 3841925, 6147080, 7683850, 15367700, 30735400]

約数ペア:

[(1, 30735400), (2, 15367700), (4, 7683850), (5, 6147080), (8, 3841925), (10, 3073540), (20, 1536770), (25, 1229416), (40, 768385), (50, 614708), (100, 307354), (200, 153677), (239, 128600), (478, 64300), (643, 47800), (956, 32150), (1195, 25720), (1286, 23900), (1912, 16075), (2390, 12860), (2572, 11950), (3215, 9560), (4780, 6430), (5144, 5975)]