989212980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{14629}}^1$

素因数の和:14678

約数の個数: 144

約数和(自身を含む): 3362325120

約数和(自身を除く): 2373112140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 4508, 4830, 5635, 6762, 9660, 11270, 13524, 14629, 16905, 22540, 29258, 33810, 43887, 58516, 67620, 73145, 87774, 102403, 146290, 175548, 204806, 219435, 292580, 307209, 336467, 409612, 438870, 512015, 614418, 672934, 716821, 877740, 1009401, 1024030, 1228836, 1345868, 1433642, 1536045, 1682335, 2018802, 2048060, 2150463, 2355269, 2867284, 3072090, 3364670, 3584105, 4037604, 4300926, 4710538, 5047005, 6144180, 6729340, 7065807, 7168210, 8601852, 9421076, 10094010, 10752315, 11776345, 14131614, 14336420, 16486883, 20188020, 21504630, 23552690, 28263228, 32973766, 35329035, 43009260, 47105380, 49460649, 65947532, 70658070, 82434415, 98921298, 141316140, 164868830, 197842596, 247303245, 329737660, 494606490, 989212980]

約数ペア:

[(1, 989212980), (2, 494606490), (3, 329737660), (4, 247303245), (5, 197842596), (6, 164868830), (7, 141316140), (10, 98921298), (12, 82434415), (14, 70658070), (15, 65947532), (20, 49460649), (21, 47105380), (23, 43009260), (28, 35329035), (30, 32973766), (35, 28263228), (42, 23552690), (46, 21504630), (49, 20188020), (60, 16486883), (69, 14336420), (70, 14131614), (84, 11776345), (92, 10752315), (98, 10094010), (105, 9421076), (115, 8601852), (138, 7168210), (140, 7065807), (147, 6729340), (161, 6144180), (196, 5047005), (210, 4710538), (230, 4300926), (245, 4037604), (276, 3584105), (294, 3364670), (322, 3072090), (345, 2867284), (420, 2355269), (460, 2150463), (483, 2048060), (490, 2018802), (588, 1682335), (644, 1536045), (690, 1433642), (735, 1345868), (805, 1228836), (966, 1024030), (980, 1009401), (1127, 877740), (1380, 716821), (1470, 672934), (1610, 614418), (1932, 512015), (2254, 438870), (2415, 409612), (2940, 336467), (3220, 307209), (3381, 292580), (4508, 219435), (4830, 204806), (5635, 175548), (6762, 146290), (9660, 102403), (11270, 87774), (13524, 73145), (14629, 67620), (16905, 58516), (22540, 43887), (29258, 33810)]