209898400

素因数分解:

$2^5\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4447}}^1$

素因数の和:4526

約数の個数: 72

約数和(自身を含む): 521216640

約数和(自身を除く): 311318240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 80, 100, 118, 160, 200, 236, 295, 400, 472, 590, 800, 944, 1180, 1475, 1888, 2360, 2950, 4447, 4720, 5900, 8894, 9440, 11800, 17788, 22235, 23600, 35576, 44470, 47200, 71152, 88940, 111175, 142304, 177880, 222350, 262373, 355760, 444700, 524746, 711520, 889400, 1049492, 1311865, 1778800, 2098984, 2623730, 3557600, 4197968, 5247460, 6559325, 8395936, 10494920, 13118650, 20989840, 26237300, 41979680, 52474600, 104949200, 209898400]

約数ペア:

[(1, 209898400), (2, 104949200), (4, 52474600), (5, 41979680), (8, 26237300), (10, 20989840), (16, 13118650), (20, 10494920), (25, 8395936), (32, 6559325), (40, 5247460), (50, 4197968), (59, 3557600), (80, 2623730), (100, 2098984), (118, 1778800), (160, 1311865), (200, 1049492), (236, 889400), (295, 711520), (400, 524746), (472, 444700), (590, 355760), (800, 262373), (944, 222350), (1180, 177880), (1475, 142304), (1888, 111175), (2360, 88940), (2950, 71152), (4447, 47200), (4720, 44470), (5900, 35576), (8894, 23600), (9440, 22235), (11800, 17788)]