442740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 1274112

約数和(自身を除く): 831372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 157, 188, 235, 282, 314, 470, 471, 564, 628, 705, 785, 940, 942, 1410, 1570, 1884, 2355, 2820, 3140, 4710, 7379, 9420, 14758, 22137, 29516, 36895, 44274, 73790, 88548, 110685, 147580, 221370, 442740]

約数ペア:

[(1, 442740), (2, 221370), (3, 147580), (4, 110685), (5, 88548), (6, 73790), (10, 44274), (12, 36895), (15, 29516), (20, 22137), (30, 14758), (47, 9420), (60, 7379), (94, 4710), (141, 3140), (157, 2820), (188, 2355), (235, 1884), (282, 1570), (314, 1410), (470, 942), (471, 940), (564, 785), (628, 705)]