129335540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 279078912

約数和(自身を除く): 149743372

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 223, 235, 446, 470, 617, 892, 940, 1115, 1234, 2230, 2468, 3085, 4460, 6170, 10481, 12340, 20962, 28999, 41924, 52405, 57998, 104810, 115996, 137591, 144995, 209620, 275182, 289990, 550364, 579980, 687955, 1375910, 2751820, 6466777, 12933554, 25867108, 32333885, 64667770, 129335540]

約数ペア:

[(1, 129335540), (2, 64667770), (4, 32333885), (5, 25867108), (10, 12933554), (20, 6466777), (47, 2751820), (94, 1375910), (188, 687955), (223, 579980), (235, 550364), (446, 289990), (470, 275182), (617, 209620), (892, 144995), (940, 137591), (1115, 115996), (1234, 104810), (2230, 57998), (2468, 52405), (3085, 41924), (4460, 28999), (6170, 20962), (10481, 12340)]