129579940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{419}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 318507840

約数和(自身を除く): 188927900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 419, 470, 658, 838, 940, 1316, 1645, 1676, 2095, 2209, 2933, 3290, 4190, 4418, 5866, 6580, 8380, 8836, 11045, 11732, 14665, 15463, 19693, 22090, 29330, 30926, 39386, 44180, 58660, 61852, 77315, 78772, 98465, 137851, 154630, 196930, 275702, 309260, 393860, 551404, 689255, 925571, 1378510, 1851142, 2757020, 3702284, 4627855, 6478997, 9255710, 12957994, 18511420, 25915988, 32394985, 64789970, 129579940]

約数ペア:

[(1, 129579940), (2, 64789970), (4, 32394985), (5, 25915988), (7, 18511420), (10, 12957994), (14, 9255710), (20, 6478997), (28, 4627855), (35, 3702284), (47, 2757020), (70, 1851142), (94, 1378510), (140, 925571), (188, 689255), (235, 551404), (329, 393860), (419, 309260), (470, 275702), (658, 196930), (838, 154630), (940, 137851), (1316, 98465), (1645, 78772), (1676, 77315), (2095, 61852), (2209, 58660), (2933, 44180), (3290, 39386), (4190, 30926), (4418, 29330), (5866, 22090), (6580, 19693), (8380, 15463), (8836, 14665), (11045, 11732)]