254304440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37619}}^1$

素因数の和:37656

約数の個数: 48

約数和(自身を含む): 619601400

約数和(自身を除く): 365296960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 37619, 75238, 150476, 188095, 300952, 376190, 489047, 752380, 978094, 1504760, 1956188, 2445235, 3912376, 4890470, 6357611, 9780940, 12715222, 19561880, 25430444, 31788055, 50860888, 63576110, 127152220, 254304440]

約数ペア:

[(1, 254304440), (2, 127152220), (4, 63576110), (5, 50860888), (8, 31788055), (10, 25430444), (13, 19561880), (20, 12715222), (26, 9780940), (40, 6357611), (52, 4890470), (65, 3912376), (104, 2445235), (130, 1956188), (169, 1504760), (260, 978094), (338, 752380), (520, 489047), (676, 376190), (845, 300952), (1352, 188095), (1690, 150476), (3380, 75238), (6760, 37619)]