2021649880

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{2081}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 4609548000

約数和(自身を除く): 2587898120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 163, 298, 326, 596, 652, 745, 815, 1192, 1304, 1490, 1630, 2081, 2980, 3260, 4162, 5960, 6520, 8324, 10405, 16648, 20810, 24287, 41620, 48574, 83240, 97148, 121435, 194296, 242870, 310069, 339203, 485740, 620138, 678406, 971480, 1240276, 1356812, 1550345, 1696015, 2480552, 2713624, 3100690, 3392030, 6201380, 6784060, 12402760, 13568120, 50541247, 101082494, 202164988, 252706235, 404329976, 505412470, 1010824940, 2021649880]

約数ペア:

[(1, 2021649880), (2, 1010824940), (4, 505412470), (5, 404329976), (8, 252706235), (10, 202164988), (20, 101082494), (40, 50541247), (149, 13568120), (163, 12402760), (298, 6784060), (326, 6201380), (596, 3392030), (652, 3100690), (745, 2713624), (815, 2480552), (1192, 1696015), (1304, 1550345), (1490, 1356812), (1630, 1240276), (2081, 971480), (2980, 678406), (3260, 620138), (4162, 485740), (5960, 339203), (6520, 310069), (8324, 242870), (10405, 194296), (16648, 121435), (20810, 97148), (24287, 83240), (41620, 48574)]