2021515780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1\times {\mathrm{1619}}^1$

素因数の和:2196

約数の個数: 48

約数和(自身を含む): 4286520000

約数和(自身を除く): 2265004220

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 419, 596, 745, 838, 1490, 1619, 1676, 2095, 2980, 3238, 4190, 6476, 8095, 8380, 16190, 32380, 62431, 124862, 241231, 249724, 312155, 482462, 624310, 678361, 964924, 1206155, 1248620, 1356722, 2412310, 2713444, 3391805, 4824620, 6783610, 13567220, 101075789, 202151578, 404303156, 505378945, 1010757890, 2021515780]

約数ペア:

[(1, 2021515780), (2, 1010757890), (4, 505378945), (5, 404303156), (10, 202151578), (20, 101075789), (149, 13567220), (298, 6783610), (419, 4824620), (596, 3391805), (745, 2713444), (838, 2412310), (1490, 1356722), (1619, 1248620), (1676, 1206155), (2095, 964924), (2980, 678361), (3238, 624310), (4190, 482462), (6476, 312155), (8095, 249724), (8380, 241231), (16190, 124862), (32380, 62431)]