2052390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 5179248

約数和(自身を除く): 3126858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 430, 555, 645, 1110, 1290, 1591, 1849, 3182, 3698, 4773, 5547, 7955, 9245, 9546, 11094, 15910, 18490, 23865, 27735, 47730, 55470, 68413, 136826, 205239, 342065, 410478, 684130, 1026195, 2052390]

約数ペア:

[(1, 2052390), (2, 1026195), (3, 684130), (5, 410478), (6, 342065), (10, 205239), (15, 136826), (30, 68413), (37, 55470), (43, 47730), (74, 27735), (86, 23865), (111, 18490), (129, 15910), (185, 11094), (215, 9546), (222, 9245), (258, 7955), (370, 5547), (430, 4773), (555, 3698), (645, 3182), (1110, 1849), (1290, 1591)]