390861790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1061}}^1$

素因数の和:1293

約数の個数: 64

約数和(自身を含む): 817553088

約数和(自身を除く): 426691298

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 197, 374, 394, 935, 985, 1061, 1870, 1970, 2122, 2167, 3349, 4334, 5305, 6698, 10610, 10835, 11671, 16745, 18037, 21670, 23342, 33490, 36074, 36839, 58355, 73678, 90185, 116710, 180370, 184195, 198407, 209017, 368390, 396814, 418034, 992035, 1045085, 1984070, 2090170, 2299187, 3553289, 4598374, 7106578, 11495935, 17766445, 22991870, 35532890, 39086179, 78172358, 195430895, 390861790]

約数ペア:

[(1, 390861790), (2, 195430895), (5, 78172358), (10, 39086179), (11, 35532890), (17, 22991870), (22, 17766445), (34, 11495935), (55, 7106578), (85, 4598374), (110, 3553289), (170, 2299187), (187, 2090170), (197, 1984070), (374, 1045085), (394, 992035), (935, 418034), (985, 396814), (1061, 368390), (1870, 209017), (1970, 198407), (2122, 184195), (2167, 180370), (3349, 116710), (4334, 90185), (5305, 73678), (6698, 58355), (10610, 36839), (10835, 36074), (11671, 33490), (16745, 23342), (18037, 21670)]