200717900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 462210000

約数和(自身を除く): 261492100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 149, 190, 298, 380, 475, 596, 709, 745, 950, 1418, 1490, 1900, 2831, 2836, 2980, 3545, 3725, 5662, 7090, 7450, 11324, 13471, 14155, 14180, 14900, 17725, 26942, 28310, 35450, 53884, 56620, 67355, 70775, 70900, 105641, 134710, 141550, 211282, 269420, 283100, 336775, 422564, 528205, 673550, 1056410, 1347100, 2007179, 2112820, 2641025, 4014358, 5282050, 8028716, 10035895, 10564100, 20071790, 40143580, 50179475, 100358950, 200717900]

約数ペア:

[(1, 200717900), (2, 100358950), (4, 50179475), (5, 40143580), (10, 20071790), (19, 10564100), (20, 10035895), (25, 8028716), (38, 5282050), (50, 4014358), (76, 2641025), (95, 2112820), (100, 2007179), (149, 1347100), (190, 1056410), (298, 673550), (380, 528205), (475, 422564), (596, 336775), (709, 283100), (745, 269420), (950, 211282), (1418, 141550), (1490, 134710), (1900, 105641), (2831, 70900), (2836, 70775), (2980, 67355), (3545, 56620), (3725, 53884), (5662, 35450), (7090, 28310), (7450, 26942), (11324, 17725), (13471, 14900), (14155, 14180)]