28948400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 79109520

約数和(自身を除く): 50161120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 190, 200, 208, 247, 260, 293, 304, 325, 380, 400, 475, 494, 520, 586, 650, 760, 950, 988, 1040, 1172, 1235, 1300, 1465, 1520, 1900, 1976, 2344, 2470, 2600, 2930, 3800, 3809, 3952, 4688, 4940, 5200, 5567, 5860, 6175, 7325, 7600, 7618, 9880, 11134, 11720, 12350, 14650, 15236, 19045, 19760, 22268, 23440, 24700, 27835, 29300, 30472, 38090, 44536, 49400, 55670, 58600, 60944, 72371, 76180, 89072, 95225, 98800, 111340, 117200, 139175, 144742, 152360, 190450, 222680, 278350, 289484, 304720, 361855, 380900, 445360, 556700, 578968, 723710, 761800, 1113400, 1157936, 1447420, 1523600, 1809275, 2226800, 2894840, 3618550, 5789680, 7237100, 14474200, 28948400]

約数ペア:

[(1, 28948400), (2, 14474200), (4, 7237100), (5, 5789680), (8, 3618550), (10, 2894840), (13, 2226800), (16, 1809275), (19, 1523600), (20, 1447420), (25, 1157936), (26, 1113400), (38, 761800), (40, 723710), (50, 578968), (52, 556700), (65, 445360), (76, 380900), (80, 361855), (95, 304720), (100, 289484), (104, 278350), (130, 222680), (152, 190450), (190, 152360), (200, 144742), (208, 139175), (247, 117200), (260, 111340), (293, 98800), (304, 95225), (325, 89072), (380, 76180), (400, 72371), (475, 60944), (494, 58600), (520, 55670), (586, 49400), (650, 44536), (760, 38090), (950, 30472), (988, 29300), (1040, 27835), (1172, 24700), (1235, 23440), (1300, 22268), (1465, 19760), (1520, 19045), (1900, 15236), (1976, 14650), (2344, 12350), (2470, 11720), (2600, 11134), (2930, 9880), (3800, 7618), (3809, 7600), (3952, 7325), (4688, 6175), (4940, 5860), (5200, 5567)]