200640500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 465454080

約数和(自身を除く): 264813580

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 73, 92, 100, 115, 125, 146, 230, 239, 250, 292, 365, 460, 478, 500, 575, 730, 956, 1150, 1195, 1460, 1679, 1825, 2300, 2390, 2875, 3358, 3650, 4780, 5497, 5750, 5975, 6716, 7300, 8395, 9125, 10994, 11500, 11950, 16790, 17447, 18250, 21988, 23900, 27485, 29875, 33580, 34894, 36500, 41975, 54970, 59750, 69788, 83950, 87235, 109940, 119500, 137425, 167900, 174470, 209875, 274850, 348940, 401281, 419750, 436175, 549700, 687125, 802562, 839500, 872350, 1374250, 1605124, 1744700, 2006405, 2180875, 2748500, 4012810, 4361750, 8025620, 8723500, 10032025, 20064050, 40128100, 50160125, 100320250, 200640500]

約数ペア:

[(1, 200640500), (2, 100320250), (4, 50160125), (5, 40128100), (10, 20064050), (20, 10032025), (23, 8723500), (25, 8025620), (46, 4361750), (50, 4012810), (73, 2748500), (92, 2180875), (100, 2006405), (115, 1744700), (125, 1605124), (146, 1374250), (230, 872350), (239, 839500), (250, 802562), (292, 687125), (365, 549700), (460, 436175), (478, 419750), (500, 401281), (575, 348940), (730, 274850), (956, 209875), (1150, 174470), (1195, 167900), (1460, 137425), (1679, 119500), (1825, 109940), (2300, 87235), (2390, 83950), (2875, 69788), (3358, 59750), (3650, 54970), (4780, 41975), (5497, 36500), (5750, 34894), (5975, 33580), (6716, 29875), (7300, 27485), (8395, 23900), (9125, 21988), (10994, 18250), (11500, 17447), (11950, 16790)]