48735100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 111104000

約数和(自身を除く): 62368900

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 155, 158, 199, 310, 316, 395, 398, 620, 775, 790, 796, 995, 1550, 1580, 1975, 1990, 2449, 3100, 3950, 3980, 4898, 4975, 6169, 7900, 9796, 9950, 12245, 12338, 15721, 19900, 24490, 24676, 30845, 31442, 48980, 61225, 61690, 62884, 78605, 122450, 123380, 154225, 157210, 244900, 308450, 314420, 393025, 487351, 616900, 786050, 974702, 1572100, 1949404, 2436755, 4873510, 9747020, 12183775, 24367550, 48735100]

約数ペア:

[(1, 48735100), (2, 24367550), (4, 12183775), (5, 9747020), (10, 4873510), (20, 2436755), (25, 1949404), (31, 1572100), (50, 974702), (62, 786050), (79, 616900), (100, 487351), (124, 393025), (155, 314420), (158, 308450), (199, 244900), (310, 157210), (316, 154225), (395, 123380), (398, 122450), (620, 78605), (775, 62884), (790, 61690), (796, 61225), (995, 48980), (1550, 31442), (1580, 30845), (1975, 24676), (1990, 24490), (2449, 19900), (3100, 15721), (3950, 12338), (3980, 12245), (4898, 9950), (4975, 9796), (6169, 7900)]