66693400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 160687260

約数和(自身を除く): 93993860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 347, 620, 694, 775, 961, 1240, 1388, 1550, 1735, 1922, 2776, 3100, 3470, 3844, 4805, 6200, 6940, 7688, 8675, 9610, 10757, 13880, 17350, 19220, 21514, 24025, 34700, 38440, 43028, 48050, 53785, 69400, 86056, 96100, 107570, 192200, 215140, 268925, 333467, 430280, 537850, 666934, 1075700, 1333868, 1667335, 2151400, 2667736, 3334670, 6669340, 8336675, 13338680, 16673350, 33346700, 66693400]

約数ペア:

[(1, 66693400), (2, 33346700), (4, 16673350), (5, 13338680), (8, 8336675), (10, 6669340), (20, 3334670), (25, 2667736), (31, 2151400), (40, 1667335), (50, 1333868), (62, 1075700), (100, 666934), (124, 537850), (155, 430280), (200, 333467), (248, 268925), (310, 215140), (347, 192200), (620, 107570), (694, 96100), (775, 86056), (961, 69400), (1240, 53785), (1388, 48050), (1550, 43028), (1735, 38440), (1922, 34700), (2776, 24025), (3100, 21514), (3470, 19220), (3844, 17350), (4805, 13880), (6200, 10757), (6940, 9610), (7688, 8675)]