1830620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 4300128

約数和(自身を除く): 2469508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 157, 212, 220, 265, 314, 530, 583, 628, 785, 1060, 1166, 1570, 1727, 2332, 2915, 3140, 3454, 5830, 6908, 8321, 8635, 11660, 16642, 17270, 33284, 34540, 41605, 83210, 91531, 166420, 183062, 366124, 457655, 915310, 1830620]

約数ペア:

[(1, 1830620), (2, 915310), (4, 457655), (5, 366124), (10, 183062), (11, 166420), (20, 91531), (22, 83210), (44, 41605), (53, 34540), (55, 33284), (106, 17270), (110, 16642), (157, 11660), (212, 8635), (220, 8321), (265, 6908), (314, 5830), (530, 3454), (583, 3140), (628, 2915), (785, 2332), (1060, 1727), (1166, 1570)]