243675500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 559104000

約数和(自身を除く): 315428500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 125, 155, 158, 199, 250, 310, 316, 395, 398, 500, 620, 775, 790, 796, 995, 1550, 1580, 1975, 1990, 2449, 3100, 3875, 3950, 3980, 4898, 4975, 6169, 7750, 7900, 9796, 9875, 9950, 12245, 12338, 15500, 15721, 19750, 19900, 24490, 24676, 24875, 30845, 31442, 39500, 48980, 49750, 61225, 61690, 62884, 78605, 99500, 122450, 123380, 154225, 157210, 244900, 306125, 308450, 314420, 393025, 487351, 612250, 616900, 771125, 786050, 974702, 1224500, 1542250, 1572100, 1949404, 1965125, 2436755, 3084500, 3930250, 4873510, 7860500, 9747020, 12183775, 24367550, 48735100, 60918875, 121837750, 243675500]

約数ペア:

[(1, 243675500), (2, 121837750), (4, 60918875), (5, 48735100), (10, 24367550), (20, 12183775), (25, 9747020), (31, 7860500), (50, 4873510), (62, 3930250), (79, 3084500), (100, 2436755), (124, 1965125), (125, 1949404), (155, 1572100), (158, 1542250), (199, 1224500), (250, 974702), (310, 786050), (316, 771125), (395, 616900), (398, 612250), (500, 487351), (620, 393025), (775, 314420), (790, 308450), (796, 306125), (995, 244900), (1550, 157210), (1580, 154225), (1975, 123380), (1990, 122450), (2449, 99500), (3100, 78605), (3875, 62884), (3950, 61690), (3980, 61225), (4898, 49750), (4975, 48980), (6169, 39500), (7750, 31442), (7900, 30845), (9796, 24875), (9875, 24676), (9950, 24490), (12245, 19900), (12338, 19750), (15500, 15721)]