205206820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 534901248

約数和(自身を除く): 329694428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 137, 140, 182, 260, 274, 364, 455, 548, 685, 823, 910, 959, 1370, 1646, 1781, 1820, 1918, 2740, 3292, 3562, 3836, 4115, 4795, 5761, 7124, 8230, 8905, 9590, 10699, 11522, 12467, 16460, 17810, 19180, 21398, 23044, 24934, 28805, 35620, 42796, 49868, 53495, 57610, 62335, 74893, 106990, 112751, 115220, 124670, 149786, 213980, 225502, 249340, 299572, 374465, 451004, 563755, 748930, 789257, 1127510, 1465763, 1497860, 1578514, 2255020, 2931526, 3157028, 3946285, 5863052, 7328815, 7892570, 10260341, 14657630, 15785140, 20520682, 29315260, 41041364, 51301705, 102603410, 205206820]

約数ペア:

[(1, 205206820), (2, 102603410), (4, 51301705), (5, 41041364), (7, 29315260), (10, 20520682), (13, 15785140), (14, 14657630), (20, 10260341), (26, 7892570), (28, 7328815), (35, 5863052), (52, 3946285), (65, 3157028), (70, 2931526), (91, 2255020), (130, 1578514), (137, 1497860), (140, 1465763), (182, 1127510), (260, 789257), (274, 748930), (364, 563755), (455, 451004), (548, 374465), (685, 299572), (823, 249340), (910, 225502), (959, 213980), (1370, 149786), (1646, 124670), (1781, 115220), (1820, 112751), (1918, 106990), (2740, 74893), (3292, 62335), (3562, 57610), (3836, 53495), (4115, 49868), (4795, 42796), (5761, 35620), (7124, 28805), (8230, 24934), (8905, 23044), (9590, 21398), (10699, 19180), (11522, 17810), (12467, 16460)]