17238700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 40483520

約数和(自身を除く): 23244820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 211, 215, 380, 422, 430, 475, 817, 844, 860, 950, 1055, 1075, 1634, 1900, 2110, 2150, 3268, 4009, 4085, 4220, 4300, 5275, 8018, 8170, 9073, 10550, 16036, 16340, 18146, 20045, 20425, 21100, 36292, 40090, 40850, 45365, 80180, 81700, 90730, 100225, 172387, 181460, 200450, 226825, 344774, 400900, 453650, 689548, 861935, 907300, 1723870, 3447740, 4309675, 8619350, 17238700]

約数ペア:

[(1, 17238700), (2, 8619350), (4, 4309675), (5, 3447740), (10, 1723870), (19, 907300), (20, 861935), (25, 689548), (38, 453650), (43, 400900), (50, 344774), (76, 226825), (86, 200450), (95, 181460), (100, 172387), (172, 100225), (190, 90730), (211, 81700), (215, 80180), (380, 45365), (422, 40850), (430, 40090), (475, 36292), (817, 21100), (844, 20425), (860, 20045), (950, 18146), (1055, 16340), (1075, 16036), (1634, 10550), (1900, 9073), (2110, 8170), (2150, 8018), (3268, 5275), (4009, 4300), (4085, 4220)]