2991930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 7862400

約数和(自身を除く): 4870470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 181, 190, 285, 290, 362, 435, 543, 551, 570, 870, 905, 1086, 1102, 1653, 1810, 2715, 2755, 3306, 3439, 5249, 5430, 5510, 6878, 8265, 10317, 10498, 15747, 16530, 17195, 20634, 26245, 31494, 34390, 51585, 52490, 78735, 99731, 103170, 157470, 199462, 299193, 498655, 598386, 997310, 1495965, 2991930]

約数ペア:

[(1, 2991930), (2, 1495965), (3, 997310), (5, 598386), (6, 498655), (10, 299193), (15, 199462), (19, 157470), (29, 103170), (30, 99731), (38, 78735), (57, 52490), (58, 51585), (87, 34390), (95, 31494), (114, 26245), (145, 20634), (174, 17195), (181, 16530), (190, 15747), (285, 10498), (290, 10317), (362, 8265), (435, 6878), (543, 5510), (551, 5430), (570, 5249), (870, 3439), (905, 3306), (1086, 2755), (1102, 2715), (1653, 1810)]