278301940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{37507}}^1$

素因数の和:37576

約数の個数: 48

約数和(自身を含む): 680545152

約数和(自身を除く): 402243212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 37507, 75014, 150028, 187535, 262549, 375070, 525098, 750140, 1050196, 1312745, 1987871, 2625490, 3975742, 5250980, 7951484, 9939355, 13915097, 19878710, 27830194, 39757420, 55660388, 69575485, 139150970, 278301940]

約数ペア:

[(1, 278301940), (2, 139150970), (4, 69575485), (5, 55660388), (7, 39757420), (10, 27830194), (14, 19878710), (20, 13915097), (28, 9939355), (35, 7951484), (53, 5250980), (70, 3975742), (106, 2625490), (140, 1987871), (212, 1312745), (265, 1050196), (371, 750140), (530, 525098), (742, 375070), (1060, 262549), (1484, 187535), (1855, 150028), (3710, 75014), (7420, 37507)]