290949240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{17443}}^1$

素因数の和:17596

約数の個数: 64

約数和(自身を含む): 879177600

約数和(自身を除く): 588228360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 5560, 8340, 16680, 17443, 34886, 52329, 69772, 87215, 104658, 139544, 174430, 209316, 261645, 348860, 418632, 523290, 697720, 1046580, 2093160, 2424577, 4849154, 7273731, 9698308, 12122885, 14547462, 19396616, 24245770, 29094924, 36368655, 48491540, 58189848, 72737310, 96983080, 145474620, 290949240]

約数ペア:

[(1, 290949240), (2, 145474620), (3, 96983080), (4, 72737310), (5, 58189848), (6, 48491540), (8, 36368655), (10, 29094924), (12, 24245770), (15, 19396616), (20, 14547462), (24, 12122885), (30, 9698308), (40, 7273731), (60, 4849154), (120, 2424577), (139, 2093160), (278, 1046580), (417, 697720), (556, 523290), (695, 418632), (834, 348860), (1112, 261645), (1390, 209316), (1668, 174430), (2085, 139544), (2780, 104658), (3336, 87215), (4170, 69772), (5560, 52329), (8340, 34886), (16680, 17443)]