203216720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1177

約数の個数: 120

約数和(自身を含む): 561821184

約数和(自身を除く): 358604464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 188, 196, 235, 245, 280, 329, 376, 392, 470, 490, 560, 658, 752, 784, 940, 980, 1103, 1316, 1645, 1880, 1960, 2206, 2303, 2632, 3290, 3760, 3920, 4412, 4606, 5264, 5515, 6580, 7721, 8824, 9212, 11030, 11515, 13160, 15442, 17648, 18424, 22060, 23030, 26320, 30884, 36848, 38605, 44120, 46060, 51841, 54047, 61768, 77210, 88240, 92120, 103682, 108094, 123536, 154420, 184240, 207364, 216188, 259205, 270235, 308840, 362887, 414728, 432376, 518410, 540470, 617680, 725774, 829456, 864752, 1036820, 1080940, 1451548, 1814435, 2073640, 2161880, 2540209, 2903096, 3628870, 4147280, 4323760, 5080418, 5806192, 7257740, 10160836, 12701045, 14515480, 20321672, 25402090, 29030960, 40643344, 50804180, 101608360, 203216720]

約数ペア:

[(1, 203216720), (2, 101608360), (4, 50804180), (5, 40643344), (7, 29030960), (8, 25402090), (10, 20321672), (14, 14515480), (16, 12701045), (20, 10160836), (28, 7257740), (35, 5806192), (40, 5080418), (47, 4323760), (49, 4147280), (56, 3628870), (70, 2903096), (80, 2540209), (94, 2161880), (98, 2073640), (112, 1814435), (140, 1451548), (188, 1080940), (196, 1036820), (235, 864752), (245, 829456), (280, 725774), (329, 617680), (376, 540470), (392, 518410), (470, 432376), (490, 414728), (560, 362887), (658, 308840), (752, 270235), (784, 259205), (940, 216188), (980, 207364), (1103, 184240), (1316, 154420), (1645, 123536), (1880, 108094), (1960, 103682), (2206, 92120), (2303, 88240), (2632, 77210), (3290, 61768), (3760, 54047), (3920, 51841), (4412, 46060), (4606, 44120), (5264, 38605), (5515, 36848), (6580, 30884), (7721, 26320), (8824, 23030), (9212, 22060), (11030, 18424), (11515, 17648), (13160, 15442)]