28885740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1331

約数の個数: 96

約数和(自身を含む): 90175680

約数和(自身を除く): 61289940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 1131, 1277, 1508, 1740, 1885, 2262, 2554, 3770, 3831, 4524, 5108, 5655, 6385, 7540, 7662, 11310, 12770, 15324, 16601, 19155, 22620, 25540, 33202, 37033, 38310, 49803, 66404, 74066, 76620, 83005, 99606, 111099, 148132, 166010, 185165, 199212, 222198, 249015, 332020, 370330, 444396, 481429, 498030, 555495, 740660, 962858, 996060, 1110990, 1444287, 1925716, 2221980, 2407145, 2888574, 4814290, 5777148, 7221435, 9628580, 14442870, 28885740]

約数ペア:

[(1, 28885740), (2, 14442870), (3, 9628580), (4, 7221435), (5, 5777148), (6, 4814290), (10, 2888574), (12, 2407145), (13, 2221980), (15, 1925716), (20, 1444287), (26, 1110990), (29, 996060), (30, 962858), (39, 740660), (52, 555495), (58, 498030), (60, 481429), (65, 444396), (78, 370330), (87, 332020), (116, 249015), (130, 222198), (145, 199212), (156, 185165), (174, 166010), (195, 148132), (260, 111099), (290, 99606), (348, 83005), (377, 76620), (390, 74066), (435, 66404), (580, 49803), (754, 38310), (780, 37033), (870, 33202), (1131, 25540), (1277, 22620), (1508, 19155), (1740, 16601), (1885, 15324), (2262, 12770), (2554, 11310), (3770, 7662), (3831, 7540), (4524, 6385), (5108, 5655)]