2168940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 6243552

約数和(自身を除く): 4074612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 977, 1110, 1954, 2220, 2931, 3908, 4885, 5862, 9770, 11724, 14655, 19540, 29310, 36149, 58620, 72298, 108447, 144596, 180745, 216894, 361490, 433788, 542235, 722980, 1084470, 2168940]

約数ペア:

[(1, 2168940), (2, 1084470), (3, 722980), (4, 542235), (5, 433788), (6, 361490), (10, 216894), (12, 180745), (15, 144596), (20, 108447), (30, 72298), (37, 58620), (60, 36149), (74, 29310), (111, 19540), (148, 14655), (185, 11724), (222, 9770), (370, 5862), (444, 4885), (555, 3908), (740, 2931), (977, 2220), (1110, 1954)]