71851900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{11779}}^1$

素因数の和:11854

約数の個数: 36

約数和(自身を含む): 158488120

約数和(自身を除く): 86636220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 11779, 23558, 47116, 58895, 117790, 235580, 294475, 588950, 718519, 1177900, 1437038, 2874076, 3592595, 7185190, 14370380, 17962975, 35925950, 71851900]

約数ペア:

[(1, 71851900), (2, 35925950), (4, 17962975), (5, 14370380), (10, 7185190), (20, 3592595), (25, 2874076), (50, 1437038), (61, 1177900), (100, 718519), (122, 588950), (244, 294475), (305, 235580), (610, 117790), (1220, 58895), (1525, 47116), (3050, 23558), (6100, 11779)]