290423240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1787}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 695174400

約数和(自身を除く): 404751160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 239, 340, 478, 680, 956, 1195, 1787, 1912, 2390, 3574, 4063, 4780, 7148, 8126, 8935, 9560, 14296, 16252, 17870, 20315, 30379, 32504, 35740, 40630, 60758, 71480, 81260, 121516, 151895, 162520, 243032, 303790, 427093, 607580, 854186, 1215160, 1708372, 2135465, 3416744, 4270930, 7260581, 8541860, 14521162, 17083720, 29042324, 36302905, 58084648, 72605810, 145211620, 290423240]

約数ペア:

[(1, 290423240), (2, 145211620), (4, 72605810), (5, 58084648), (8, 36302905), (10, 29042324), (17, 17083720), (20, 14521162), (34, 8541860), (40, 7260581), (68, 4270930), (85, 3416744), (136, 2135465), (170, 1708372), (239, 1215160), (340, 854186), (478, 607580), (680, 427093), (956, 303790), (1195, 243032), (1787, 162520), (1912, 151895), (2390, 121516), (3574, 81260), (4063, 71480), (4780, 60758), (7148, 40630), (8126, 35740), (8935, 32504), (9560, 30379), (14296, 20315), (16252, 17870)]