49696020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1366

約数の個数: 144

約数和(自身を含む): 173234880

約数和(自身を除く): 123538860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1321, 1710, 1881, 1980, 2090, 2508, 2642, 3135, 3420, 3762, 3963, 4180, 5284, 6270, 6605, 7524, 7926, 9405, 11889, 12540, 13210, 14531, 15852, 18810, 19815, 23778, 25099, 26420, 29062, 37620, 39630, 43593, 47556, 50198, 58124, 59445, 72655, 75297, 79260, 87186, 100396, 118890, 125495, 130779, 145310, 150594, 174372, 217965, 225891, 237780, 250990, 261558, 276089, 290620, 301188, 376485, 435930, 451782, 501980, 523116, 552178, 653895, 752970, 828267, 871860, 903564, 1104356, 1129455, 1307790, 1380445, 1505940, 1656534, 2258910, 2484801, 2615580, 2760890, 3313068, 4141335, 4517820, 4969602, 5521780, 8282670, 9939204, 12424005, 16565340, 24848010, 49696020]

約数ペア:

[(1, 49696020), (2, 24848010), (3, 16565340), (4, 12424005), (5, 9939204), (6, 8282670), (9, 5521780), (10, 4969602), (11, 4517820), (12, 4141335), (15, 3313068), (18, 2760890), (19, 2615580), (20, 2484801), (22, 2258910), (30, 1656534), (33, 1505940), (36, 1380445), (38, 1307790), (44, 1129455), (45, 1104356), (55, 903564), (57, 871860), (60, 828267), (66, 752970), (76, 653895), (90, 552178), (95, 523116), (99, 501980), (110, 451782), (114, 435930), (132, 376485), (165, 301188), (171, 290620), (180, 276089), (190, 261558), (198, 250990), (209, 237780), (220, 225891), (228, 217965), (285, 174372), (330, 150594), (342, 145310), (380, 130779), (396, 125495), (418, 118890), (495, 100396), (570, 87186), (627, 79260), (660, 75297), (684, 72655), (836, 59445), (855, 58124), (990, 50198), (1045, 47556), (1140, 43593), (1254, 39630), (1321, 37620), (1710, 29062), (1881, 26420), (1980, 25099), (2090, 23778), (2508, 19815), (2642, 18810), (3135, 15852), (3420, 14531), (3762, 13210), (3963, 12540), (4180, 11889), (5284, 9405), (6270, 7926), (6605, 7524)]