319396980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5471}}^1$

素因数の和:5629

約数の個数: 96

約数和(自身を含む): 1029611520

約数和(自身を除く): 710214540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 556, 695, 834, 973, 1390, 1668, 1946, 2085, 2780, 2919, 3892, 4170, 4865, 5471, 5838, 8340, 9730, 10942, 11676, 14595, 16413, 19460, 21884, 27355, 29190, 32826, 38297, 54710, 58380, 65652, 76594, 82065, 109420, 114891, 153188, 164130, 191485, 229782, 328260, 382970, 459564, 574455, 760469, 765940, 1148910, 1520938, 2281407, 2297820, 3041876, 3802345, 4562814, 5323283, 7604690, 9125628, 10646566, 11407035, 15209380, 15969849, 21293132, 22814070, 26616415, 31939698, 45628140, 53232830, 63879396, 79849245, 106465660, 159698490, 319396980]

約数ペア:

[(1, 319396980), (2, 159698490), (3, 106465660), (4, 79849245), (5, 63879396), (6, 53232830), (7, 45628140), (10, 31939698), (12, 26616415), (14, 22814070), (15, 21293132), (20, 15969849), (21, 15209380), (28, 11407035), (30, 10646566), (35, 9125628), (42, 7604690), (60, 5323283), (70, 4562814), (84, 3802345), (105, 3041876), (139, 2297820), (140, 2281407), (210, 1520938), (278, 1148910), (417, 765940), (420, 760469), (556, 574455), (695, 459564), (834, 382970), (973, 328260), (1390, 229782), (1668, 191485), (1946, 164130), (2085, 153188), (2780, 114891), (2919, 109420), (3892, 82065), (4170, 76594), (4865, 65652), (5471, 58380), (5838, 54710), (8340, 38297), (9730, 32826), (10942, 29190), (11676, 27355), (14595, 21884), (16413, 19460)]