291569180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{14983}}^1$

素因数の和:15138

約数の個数: 48

約数和(自身を含む): 704847360

約数和(自身を除く): 413278180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 14983, 19460, 29966, 59932, 74915, 104881, 149830, 209762, 299660, 419524, 524405, 1048810, 2082637, 2097620, 4165274, 8330548, 10413185, 14578459, 20826370, 29156918, 41652740, 58313836, 72892295, 145784590, 291569180]

約数ペア:

[(1, 291569180), (2, 145784590), (4, 72892295), (5, 58313836), (7, 41652740), (10, 29156918), (14, 20826370), (20, 14578459), (28, 10413185), (35, 8330548), (70, 4165274), (139, 2097620), (140, 2082637), (278, 1048810), (556, 524405), (695, 419524), (973, 299660), (1390, 209762), (1946, 149830), (2780, 104881), (3892, 74915), (4865, 59932), (9730, 29966), (14983, 19460)]