1444400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 60

約数和(自身を含む): 3644112

約数和(自身を除く): 2199712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 157, 184, 200, 230, 314, 368, 400, 460, 575, 628, 785, 920, 1150, 1256, 1570, 1840, 2300, 2512, 3140, 3611, 3925, 4600, 6280, 7222, 7850, 9200, 12560, 14444, 15700, 18055, 28888, 31400, 36110, 57776, 62800, 72220, 90275, 144440, 180550, 288880, 361100, 722200, 1444400]

約数ペア:

[(1, 1444400), (2, 722200), (4, 361100), (5, 288880), (8, 180550), (10, 144440), (16, 90275), (20, 72220), (23, 62800), (25, 57776), (40, 36110), (46, 31400), (50, 28888), (80, 18055), (92, 15700), (100, 14444), (115, 12560), (157, 9200), (184, 7850), (200, 7222), (230, 6280), (314, 4600), (368, 3925), (400, 3611), (460, 3140), (575, 2512), (628, 2300), (785, 1840), (920, 1570), (1150, 1256)]