199198910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 382112640

約数和(自身を除く): 182913730

約数列:

[1, 2, 5, 10, 41, 53, 82, 89, 103, 106, 178, 205, 206, 265, 410, 445, 515, 530, 890, 1030, 2173, 3649, 4223, 4346, 4717, 5459, 7298, 8446, 9167, 9434, 10865, 10918, 18245, 18334, 21115, 21730, 23585, 27295, 36490, 42230, 45835, 47170, 54590, 91670, 193397, 223819, 375847, 386794, 447638, 485851, 751694, 966985, 971702, 1119095, 1879235, 1933970, 2238190, 2429255, 3758470, 4858510, 19919891, 39839782, 99599455, 199198910]

約数ペア:

[(1, 199198910), (2, 99599455), (5, 39839782), (10, 19919891), (41, 4858510), (53, 3758470), (82, 2429255), (89, 2238190), (103, 1933970), (106, 1879235), (178, 1119095), (205, 971702), (206, 966985), (265, 751694), (410, 485851), (445, 447638), (515, 386794), (530, 375847), (890, 223819), (1030, 193397), (2173, 91670), (3649, 54590), (4223, 47170), (4346, 45835), (4717, 42230), (5459, 36490), (7298, 27295), (8446, 23585), (9167, 21730), (9434, 21115), (10865, 18334), (10918, 18245)]