291256130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 644474880

約数和(自身を除く): 353218750

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 73, 83, 95, 110, 115, 146, 166, 190, 209, 230, 253, 365, 415, 418, 437, 506, 730, 803, 830, 874, 913, 1045, 1265, 1387, 1577, 1606, 1679, 1826, 1909, 2090, 2185, 2530, 2774, 3154, 3358, 3818, 4015, 4370, 4565, 4807, 6059, 6935, 7885, 8030, 8395, 9130, 9545, 9614, 12118, 13870, 15257, 15770, 16790, 17347, 18469, 19090, 20999, 24035, 30295, 30514, 31901, 34694, 36271, 36938, 41998, 48070, 60590, 63802, 66649, 72542, 76285, 86735, 92345, 104995, 115121, 133298, 139357, 152570, 159505, 173470, 181355, 184690, 209990, 230242, 278714, 319010, 333245, 350911, 362710, 398981, 575605, 666490, 696785, 701822, 797962, 1151210, 1266331, 1393570, 1532927, 1754555, 1994905, 2532662, 2647783, 3065854, 3509110, 3989810, 5295566, 6331655, 7664635, 12663310, 13238915, 15329270, 26477830, 29125613, 58251226, 145628065, 291256130]

約数ペア:

[(1, 291256130), (2, 145628065), (5, 58251226), (10, 29125613), (11, 26477830), (19, 15329270), (22, 13238915), (23, 12663310), (38, 7664635), (46, 6331655), (55, 5295566), (73, 3989810), (83, 3509110), (95, 3065854), (110, 2647783), (115, 2532662), (146, 1994905), (166, 1754555), (190, 1532927), (209, 1393570), (230, 1266331), (253, 1151210), (365, 797962), (415, 701822), (418, 696785), (437, 666490), (506, 575605), (730, 398981), (803, 362710), (830, 350911), (874, 333245), (913, 319010), (1045, 278714), (1265, 230242), (1387, 209990), (1577, 184690), (1606, 181355), (1679, 173470), (1826, 159505), (1909, 152570), (2090, 139357), (2185, 133298), (2530, 115121), (2774, 104995), (3154, 92345), (3358, 86735), (3818, 76285), (4015, 72542), (4370, 66649), (4565, 63802), (4807, 60590), (6059, 48070), (6935, 41998), (7885, 36938), (8030, 36271), (8395, 34694), (9130, 31901), (9545, 30514), (9614, 30295), (12118, 24035), (13870, 20999), (15257, 19090), (15770, 18469), (16790, 17347)]