259549480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5323}}^1$

素因数の和:5410

約数の個数: 64

約数和(自身を含む): 620991360

約数和(自身を除く): 361441880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 920, 1060, 1219, 2120, 2438, 4876, 5323, 6095, 9752, 10646, 12190, 21292, 24380, 26615, 42584, 48760, 53230, 106460, 122429, 212920, 244858, 282119, 489716, 564238, 612145, 979432, 1128476, 1224290, 1410595, 2256952, 2448580, 2821190, 4897160, 5642380, 6488737, 11284760, 12977474, 25954948, 32443685, 51909896, 64887370, 129774740, 259549480]

約数ペア:

[(1, 259549480), (2, 129774740), (4, 64887370), (5, 51909896), (8, 32443685), (10, 25954948), (20, 12977474), (23, 11284760), (40, 6488737), (46, 5642380), (53, 4897160), (92, 2821190), (106, 2448580), (115, 2256952), (184, 1410595), (212, 1224290), (230, 1128476), (265, 979432), (424, 612145), (460, 564238), (530, 489716), (920, 282119), (1060, 244858), (1219, 212920), (2120, 122429), (2438, 106460), (4876, 53230), (5323, 48760), (6095, 42584), (9752, 26615), (10646, 24380), (12190, 21292)]