4210740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 12940200

約数和(自身を除く): 8729460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 157, 180, 298, 314, 447, 471, 596, 628, 745, 785, 894, 942, 1341, 1413, 1490, 1570, 1788, 1884, 2235, 2355, 2682, 2826, 2980, 3140, 4470, 4710, 5364, 5652, 6705, 7065, 8940, 9420, 13410, 14130, 23393, 26820, 28260, 46786, 70179, 93572, 116965, 140358, 210537, 233930, 280716, 350895, 421074, 467860, 701790, 842148, 1052685, 1403580, 2105370, 4210740]

約数ペア:

[(1, 4210740), (2, 2105370), (3, 1403580), (4, 1052685), (5, 842148), (6, 701790), (9, 467860), (10, 421074), (12, 350895), (15, 280716), (18, 233930), (20, 210537), (30, 140358), (36, 116965), (45, 93572), (60, 70179), (90, 46786), (149, 28260), (157, 26820), (180, 23393), (298, 14130), (314, 13410), (447, 9420), (471, 8940), (596, 7065), (628, 6705), (745, 5652), (785, 5364), (894, 4710), (942, 4470), (1341, 3140), (1413, 2980), (1490, 2826), (1570, 2682), (1788, 2355), (1884, 2235)]