200917900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1619}}^1$

素因数の和:1723

約数の個数: 72

約数和(自身を含む): 468251280

約数和(自身を除く): 267333380

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 170, 292, 340, 365, 425, 730, 850, 1241, 1460, 1619, 1700, 1825, 2482, 3238, 3650, 4964, 6205, 6476, 7300, 8095, 12410, 16190, 24820, 27523, 31025, 32380, 40475, 55046, 62050, 80950, 110092, 118187, 124100, 137615, 161900, 236374, 275230, 472748, 550460, 590935, 688075, 1181870, 1376150, 2009179, 2363740, 2752300, 2954675, 4018358, 5909350, 8036716, 10045895, 11818700, 20091790, 40183580, 50229475, 100458950, 200917900]

約数ペア:

[(1, 200917900), (2, 100458950), (4, 50229475), (5, 40183580), (10, 20091790), (17, 11818700), (20, 10045895), (25, 8036716), (34, 5909350), (50, 4018358), (68, 2954675), (73, 2752300), (85, 2363740), (100, 2009179), (146, 1376150), (170, 1181870), (292, 688075), (340, 590935), (365, 550460), (425, 472748), (730, 275230), (850, 236374), (1241, 161900), (1460, 137615), (1619, 124100), (1700, 118187), (1825, 110092), (2482, 80950), (3238, 62050), (3650, 55046), (4964, 40475), (6205, 32380), (6476, 31025), (7300, 27523), (8095, 24820), (12410, 16190)]