201818891890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{47681}}^1$

素因数の和:47968

約数の個数: 128

約数和(自身を含む): 474592296960

約数和(自身を除く): 272773405070

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 239, 253, 322, 385, 478, 506, 770, 805, 1195, 1265, 1610, 1673, 1771, 2390, 2530, 2629, 3346, 3542, 5258, 5497, 8365, 8855, 10994, 13145, 16730, 17710, 18403, 26290, 27485, 36806, 38479, 47681, 54970, 60467, 76958, 92015, 95362, 120934, 184030, 192395, 238405, 302335, 333767, 384790, 423269, 476810, 524491, 604670, 667534, 846538, 1048982, 1096663, 1668835, 2116345, 2193326, 2622455, 3337670, 3671437, 4232690, 5244910, 5483315, 7342874, 7676641, 10966630, 11395759, 12063293, 15353282, 18357185, 22791518, 24126586, 36714370, 38383205, 56978795, 60316465, 76766410, 79770313, 84443051, 113957590, 120632930, 125353349, 159540626, 168886102, 250706698, 262102457, 398851565, 422215255, 524204914, 626766745, 797703130, 844430510, 877473443, 1253533490, 1310512285, 1754946886, 1834717199, 2621024570, 2883127027, 3669434398, 4387367215, 5766254054, 8774734430, 9173585995, 14415635135, 18347171990, 20181889189, 28831270270, 40363778378, 100909445945, 201818891890]

約数ペア:

[(1, 201818891890), (2, 100909445945), (5, 40363778378), (7, 28831270270), (10, 20181889189), (11, 18347171990), (14, 14415635135), (22, 9173585995), (23, 8774734430), (35, 5766254054), (46, 4387367215), (55, 3669434398), (70, 2883127027), (77, 2621024570), (110, 1834717199), (115, 1754946886), (154, 1310512285), (161, 1253533490), (230, 877473443), (239, 844430510), (253, 797703130), (322, 626766745), (385, 524204914), (478, 422215255), (506, 398851565), (770, 262102457), (805, 250706698), (1195, 168886102), (1265, 159540626), (1610, 125353349), (1673, 120632930), (1771, 113957590), (2390, 84443051), (2530, 79770313), (2629, 76766410), (3346, 60316465), (3542, 56978795), (5258, 38383205), (5497, 36714370), (8365, 24126586), (8855, 22791518), (10994, 18357185), (13145, 15353282), (16730, 12063293), (17710, 11395759), (18403, 10966630), (26290, 7676641), (27485, 7342874), (36806, 5483315), (38479, 5244910), (47681, 4232690), (54970, 3671437), (60467, 3337670), (76958, 2622455), (92015, 2193326), (95362, 2116345), (120934, 1668835), (184030, 1096663), (192395, 1048982), (238405, 846538), (302335, 667534), (333767, 604670), (384790, 524491), (423269, 476810)]