2781492020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1\times {\mathrm{2339}}^1$

素因数の和:3992

約数の個数: 48

約数和(自身を含む): 6005301120

約数和(自身を除く): 3223809100

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1607, 2339, 3214, 4678, 6428, 8035, 9356, 11695, 16070, 23390, 32140, 46780, 59459, 86543, 118918, 173086, 237836, 297295, 346172, 432715, 594590, 865430, 1189180, 1730860, 3758773, 7517546, 15035092, 18793865, 37587730, 75175460, 139074601, 278149202, 556298404, 695373005, 1390746010, 2781492020]

約数ペア:

[(1, 2781492020), (2, 1390746010), (4, 695373005), (5, 556298404), (10, 278149202), (20, 139074601), (37, 75175460), (74, 37587730), (148, 18793865), (185, 15035092), (370, 7517546), (740, 3758773), (1607, 1730860), (2339, 1189180), (3214, 865430), (4678, 594590), (6428, 432715), (8035, 346172), (9356, 297295), (11695, 237836), (16070, 173086), (23390, 118918), (32140, 86543), (46780, 59459)]