74406020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{683}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 168920640

約数和(自身を除く): 94514620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 683, 838, 1366, 1676, 2095, 2732, 3415, 4190, 5447, 6830, 8380, 8879, 10894, 13660, 17758, 21788, 27235, 35516, 44395, 54470, 88790, 108940, 177580, 286177, 572354, 1144708, 1430885, 2861770, 3720301, 5723540, 7440602, 14881204, 18601505, 37203010, 74406020]

約数ペア:

[(1, 74406020), (2, 37203010), (4, 18601505), (5, 14881204), (10, 7440602), (13, 5723540), (20, 3720301), (26, 2861770), (52, 1430885), (65, 1144708), (130, 572354), (260, 286177), (419, 177580), (683, 108940), (838, 88790), (1366, 54470), (1676, 44395), (2095, 35516), (2732, 27235), (3415, 21788), (4190, 17758), (5447, 13660), (6830, 10894), (8380, 8879)]