28403940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27847}}^1$

素因数の和:27876

約数の個数: 48

約数和(自身を含む): 84212352

約数和(自身を除く): 55808412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 27847, 55694, 83541, 111388, 139235, 167082, 278470, 334164, 417705, 473399, 556940, 835410, 946798, 1420197, 1670820, 1893596, 2366995, 2840394, 4733990, 5680788, 7100985, 9467980, 14201970, 28403940]

約数ペア:

[(1, 28403940), (2, 14201970), (3, 9467980), (4, 7100985), (5, 5680788), (6, 4733990), (10, 2840394), (12, 2366995), (15, 1893596), (17, 1670820), (20, 1420197), (30, 946798), (34, 835410), (51, 556940), (60, 473399), (68, 417705), (85, 334164), (102, 278470), (170, 167082), (204, 139235), (255, 111388), (340, 83541), (510, 55694), (1020, 27847)]