211232500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4490

約数の個数: 60

約数和(自身を含む): 486344320

約数和(自身を除く): 275111820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 950, 1250, 1900, 2375, 2500, 4447, 4750, 8894, 9500, 11875, 17788, 22235, 23750, 44470, 47500, 84493, 88940, 111175, 168986, 222350, 337972, 422465, 444700, 555875, 844930, 1111750, 1689860, 2112325, 2223500, 2779375, 4224650, 5558750, 8449300, 10561625, 11117500, 21123250, 42246500, 52808125, 105616250, 211232500]

約数ペア:

[(1, 211232500), (2, 105616250), (4, 52808125), (5, 42246500), (10, 21123250), (19, 11117500), (20, 10561625), (25, 8449300), (38, 5558750), (50, 4224650), (76, 2779375), (95, 2223500), (100, 2112325), (125, 1689860), (190, 1111750), (250, 844930), (380, 555875), (475, 444700), (500, 422465), (625, 337972), (950, 222350), (1250, 168986), (1900, 111175), (2375, 88940), (2500, 84493), (4447, 47500), (4750, 44470), (8894, 23750), (9500, 22235), (11875, 17788)]