640104

素因数分解:

$2^3\times 3^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 1620000

約数和(自身を除く): 979896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 149, 179, 298, 358, 447, 537, 596, 716, 894, 1074, 1192, 1432, 1788, 2148, 3576, 4296, 26671, 53342, 80013, 106684, 160026, 213368, 320052, 640104]

約数ペア:

[(1, 640104), (2, 320052), (3, 213368), (4, 160026), (6, 106684), (8, 80013), (12, 53342), (24, 26671), (149, 4296), (179, 3576), (298, 2148), (358, 1788), (447, 1432), (537, 1192), (596, 1074), (716, 894)]