200545000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2156

約数の個数: 80

約数和(自身を含む): 494841600

約数和(自身を除く): 294296600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 760, 950, 1000, 1250, 1900, 2111, 2375, 2500, 3800, 4222, 4750, 5000, 8444, 9500, 10555, 11875, 16888, 19000, 21110, 23750, 40109, 42220, 47500, 52775, 80218, 84440, 95000, 105550, 160436, 200545, 211100, 263875, 320872, 401090, 422200, 527750, 802180, 1002725, 1055500, 1319375, 1604360, 2005450, 2111000, 2638750, 4010900, 5013625, 5277500, 8021800, 10027250, 10555000, 20054500, 25068125, 40109000, 50136250, 100272500, 200545000]

約数ペア:

[(1, 200545000), (2, 100272500), (4, 50136250), (5, 40109000), (8, 25068125), (10, 20054500), (19, 10555000), (20, 10027250), (25, 8021800), (38, 5277500), (40, 5013625), (50, 4010900), (76, 2638750), (95, 2111000), (100, 2005450), (125, 1604360), (152, 1319375), (190, 1055500), (200, 1002725), (250, 802180), (380, 527750), (475, 422200), (500, 401090), (625, 320872), (760, 263875), (950, 211100), (1000, 200545), (1250, 160436), (1900, 105550), (2111, 95000), (2375, 84440), (2500, 80218), (3800, 52775), (4222, 47500), (4750, 42220), (5000, 40109), (8444, 23750), (9500, 21110), (10555, 19000), (11875, 16888)]