2220530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 4838400

約数和(自身を除く): 2617870

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 31, 38, 58, 62, 65, 95, 130, 145, 155, 190, 247, 290, 310, 377, 403, 494, 551, 589, 754, 806, 899, 1102, 1178, 1235, 1798, 1885, 2015, 2470, 2755, 2945, 3770, 4030, 4495, 5510, 5890, 7163, 7657, 8990, 11687, 14326, 15314, 17081, 23374, 34162, 35815, 38285, 58435, 71630, 76570, 85405, 116870, 170810, 222053, 444106, 1110265, 2220530]

約数ペア:

[(1, 2220530), (2, 1110265), (5, 444106), (10, 222053), (13, 170810), (19, 116870), (26, 85405), (29, 76570), (31, 71630), (38, 58435), (58, 38285), (62, 35815), (65, 34162), (95, 23374), (130, 17081), (145, 15314), (155, 14326), (190, 11687), (247, 8990), (290, 7657), (310, 7163), (377, 5890), (403, 5510), (494, 4495), (551, 4030), (589, 3770), (754, 2945), (806, 2755), (899, 2470), (1102, 2015), (1178, 1885), (1235, 1798)]