280439016

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2067

約数の個数: 128

約数和(自身を含む): 844179840

約数和(自身を除く): 563740824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 41, 44, 52, 66, 78, 82, 88, 104, 123, 132, 143, 156, 164, 246, 264, 286, 312, 328, 429, 451, 492, 533, 572, 858, 902, 984, 1066, 1144, 1353, 1599, 1716, 1804, 1993, 2132, 2706, 3198, 3432, 3608, 3986, 4264, 5412, 5863, 5979, 6396, 7972, 10824, 11726, 11958, 12792, 15944, 17589, 21923, 23452, 23916, 25909, 35178, 43846, 46904, 47832, 51818, 65769, 70356, 77727, 81713, 87692, 103636, 131538, 140712, 155454, 163426, 175384, 207272, 245139, 263076, 284999, 310908, 326852, 490278, 526152, 569998, 621816, 653704, 854997, 898843, 980556, 1062269, 1139996, 1709994, 1797686, 1961112, 2124538, 2279992, 2696529, 3186807, 3419988, 3595372, 4249076, 5393058, 6373614, 6839976, 7190744, 8498152, 10786116, 11684959, 12747228, 21572232, 23369918, 25494456, 35054877, 46739836, 70109754, 93479672, 140219508, 280439016]

約数ペア:

[(1, 280439016), (2, 140219508), (3, 93479672), (4, 70109754), (6, 46739836), (8, 35054877), (11, 25494456), (12, 23369918), (13, 21572232), (22, 12747228), (24, 11684959), (26, 10786116), (33, 8498152), (39, 7190744), (41, 6839976), (44, 6373614), (52, 5393058), (66, 4249076), (78, 3595372), (82, 3419988), (88, 3186807), (104, 2696529), (123, 2279992), (132, 2124538), (143, 1961112), (156, 1797686), (164, 1709994), (246, 1139996), (264, 1062269), (286, 980556), (312, 898843), (328, 854997), (429, 653704), (451, 621816), (492, 569998), (533, 526152), (572, 490278), (858, 326852), (902, 310908), (984, 284999), (1066, 263076), (1144, 245139), (1353, 207272), (1599, 175384), (1716, 163426), (1804, 155454), (1993, 140712), (2132, 131538), (2706, 103636), (3198, 87692), (3432, 81713), (3608, 77727), (3986, 70356), (4264, 65769), (5412, 51818), (5863, 47832), (5979, 46904), (6396, 43846), (7972, 35178), (10824, 25909), (11726, 23916), (11958, 23452), (12792, 21923), (15944, 17589)]