77780300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 198320640

約数和(自身を除く): 120540340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 47, 50, 52, 65, 67, 76, 94, 95, 100, 130, 134, 188, 190, 235, 247, 260, 268, 325, 335, 380, 470, 475, 494, 611, 650, 670, 871, 893, 940, 950, 988, 1175, 1222, 1235, 1273, 1300, 1340, 1675, 1742, 1786, 1900, 2350, 2444, 2470, 2546, 3055, 3149, 3350, 3484, 3572, 4355, 4465, 4700, 4940, 5092, 6110, 6175, 6298, 6365, 6700, 8710, 8930, 11609, 12220, 12350, 12596, 12730, 15275, 15745, 16549, 17420, 17860, 21775, 22325, 23218, 24700, 25460, 30550, 31490, 31825, 33098, 40937, 43550, 44650, 46436, 58045, 59831, 61100, 62980, 63650, 66196, 78725, 81874, 82745, 87100, 89300, 116090, 119662, 127300, 157450, 163748, 165490, 204685, 232180, 239324, 290225, 299155, 314900, 330980, 409370, 413725, 580450, 598310, 777803, 818740, 827450, 1023425, 1160900, 1196620, 1495775, 1555606, 1654900, 2046850, 2991550, 3111212, 3889015, 4093700, 5983100, 7778030, 15556060, 19445075, 38890150, 77780300]

約数ペア:

[(1, 77780300), (2, 38890150), (4, 19445075), (5, 15556060), (10, 7778030), (13, 5983100), (19, 4093700), (20, 3889015), (25, 3111212), (26, 2991550), (38, 2046850), (47, 1654900), (50, 1555606), (52, 1495775), (65, 1196620), (67, 1160900), (76, 1023425), (94, 827450), (95, 818740), (100, 777803), (130, 598310), (134, 580450), (188, 413725), (190, 409370), (235, 330980), (247, 314900), (260, 299155), (268, 290225), (325, 239324), (335, 232180), (380, 204685), (470, 165490), (475, 163748), (494, 157450), (611, 127300), (650, 119662), (670, 116090), (871, 89300), (893, 87100), (940, 82745), (950, 81874), (988, 78725), (1175, 66196), (1222, 63650), (1235, 62980), (1273, 61100), (1300, 59831), (1340, 58045), (1675, 46436), (1742, 44650), (1786, 43550), (1900, 40937), (2350, 33098), (2444, 31825), (2470, 31490), (2546, 30550), (3055, 25460), (3149, 24700), (3350, 23218), (3484, 22325), (3572, 21775), (4355, 17860), (4465, 17420), (4700, 16549), (4940, 15745), (5092, 15275), (6110, 12730), (6175, 12596), (6298, 12350), (6365, 12220), (6700, 11609), (8710, 8930)]