2400390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 6318000

約数和(自身を除く): 3917610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 179, 298, 358, 447, 537, 745, 894, 895, 1074, 1341, 1490, 1611, 1790, 2235, 2682, 2685, 3222, 4470, 5370, 6705, 8055, 13410, 16110, 26671, 53342, 80013, 133355, 160026, 240039, 266710, 400065, 480078, 800130, 1200195, 2400390]

約数ペア:

[(1, 2400390), (2, 1200195), (3, 800130), (5, 480078), (6, 400065), (9, 266710), (10, 240039), (15, 160026), (18, 133355), (30, 80013), (45, 53342), (90, 26671), (149, 16110), (179, 13410), (298, 8055), (358, 6705), (447, 5370), (537, 4470), (745, 3222), (894, 2685), (895, 2682), (1074, 2235), (1341, 1790), (1490, 1611)]