221389480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 567453600

約数和(自身を除く): 346064120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 53, 58, 65, 104, 106, 116, 130, 145, 212, 232, 260, 265, 277, 290, 377, 424, 520, 530, 554, 580, 689, 754, 1060, 1108, 1160, 1378, 1385, 1508, 1537, 1885, 2120, 2216, 2756, 2770, 3016, 3074, 3445, 3601, 3770, 5512, 5540, 6148, 6890, 7202, 7540, 7685, 8033, 11080, 12296, 13780, 14404, 14681, 15080, 15370, 16066, 18005, 19981, 27560, 28808, 29362, 30740, 32132, 36010, 39962, 40165, 58724, 61480, 64264, 72020, 73405, 79924, 80330, 99905, 104429, 117448, 144040, 146810, 159848, 160660, 190853, 199810, 208858, 293620, 321320, 381706, 399620, 417716, 425749, 522145, 587240, 763412, 799240, 835432, 851498, 954265, 1044290, 1526824, 1702996, 1908530, 2088580, 2128745, 3405992, 3817060, 4177160, 4257490, 5534737, 7634120, 8514980, 11069474, 17029960, 22138948, 27673685, 44277896, 55347370, 110694740, 221389480]

約数ペア:

[(1, 221389480), (2, 110694740), (4, 55347370), (5, 44277896), (8, 27673685), (10, 22138948), (13, 17029960), (20, 11069474), (26, 8514980), (29, 7634120), (40, 5534737), (52, 4257490), (53, 4177160), (58, 3817060), (65, 3405992), (104, 2128745), (106, 2088580), (116, 1908530), (130, 1702996), (145, 1526824), (212, 1044290), (232, 954265), (260, 851498), (265, 835432), (277, 799240), (290, 763412), (377, 587240), (424, 522145), (520, 425749), (530, 417716), (554, 399620), (580, 381706), (689, 321320), (754, 293620), (1060, 208858), (1108, 199810), (1160, 190853), (1378, 160660), (1385, 159848), (1508, 146810), (1537, 144040), (1885, 117448), (2120, 104429), (2216, 99905), (2756, 80330), (2770, 79924), (3016, 73405), (3074, 72020), (3445, 64264), (3601, 61480), (3770, 58724), (5512, 40165), (5540, 39962), (6148, 36010), (6890, 32132), (7202, 30740), (7540, 29362), (7685, 28808), (8033, 27560), (11080, 19981), (12296, 18005), (13780, 16066), (14404, 15370), (14681, 15080)]