514020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 1552320

約数和(自身を除く): 1038300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 659, 780, 1318, 1977, 2636, 3295, 3954, 6590, 7908, 8567, 9885, 13180, 17134, 19770, 25701, 34268, 39540, 42835, 51402, 85670, 102804, 128505, 171340, 257010, 514020]

約数ペア:

[(1, 514020), (2, 257010), (3, 171340), (4, 128505), (5, 102804), (6, 85670), (10, 51402), (12, 42835), (13, 39540), (15, 34268), (20, 25701), (26, 19770), (30, 17134), (39, 13180), (52, 9885), (60, 8567), (65, 7908), (78, 6590), (130, 3954), (156, 3295), (195, 2636), (260, 1977), (390, 1318), (659, 780)]