6451900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 17255840

約数和(自身を除く): 10803940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 709, 910, 1300, 1418, 1820, 2275, 2836, 3545, 4550, 4963, 7090, 9100, 9217, 9926, 14180, 17725, 18434, 19852, 24815, 35450, 36868, 46085, 49630, 64519, 70900, 92170, 99260, 124075, 129038, 184340, 230425, 248150, 258076, 322595, 460850, 496300, 645190, 921700, 1290380, 1612975, 3225950, 6451900]

約数ペア:

[(1, 6451900), (2, 3225950), (4, 1612975), (5, 1290380), (7, 921700), (10, 645190), (13, 496300), (14, 460850), (20, 322595), (25, 258076), (26, 248150), (28, 230425), (35, 184340), (50, 129038), (52, 124075), (65, 99260), (70, 92170), (91, 70900), (100, 64519), (130, 49630), (140, 46085), (175, 36868), (182, 35450), (260, 24815), (325, 19852), (350, 18434), (364, 17725), (455, 14180), (650, 9926), (700, 9217), (709, 9100), (910, 7090), (1300, 4963), (1418, 4550), (1820, 3545), (2275, 2836)]