396780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 1179360

約数和(自身を除く): 782580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 389, 510, 778, 1020, 1167, 1556, 1945, 2334, 3890, 4668, 5835, 6613, 7780, 11670, 13226, 19839, 23340, 26452, 33065, 39678, 66130, 79356, 99195, 132260, 198390, 396780]

約数ペア:

[(1, 396780), (2, 198390), (3, 132260), (4, 99195), (5, 79356), (6, 66130), (10, 39678), (12, 33065), (15, 26452), (17, 23340), (20, 19839), (30, 13226), (34, 11670), (51, 7780), (60, 6613), (68, 5835), (85, 4668), (102, 3890), (170, 2334), (204, 1945), (255, 1556), (340, 1167), (389, 1020), (510, 778)]