30457580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 65862720

約数和(自身を除く): 35405140

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 241, 284, 355, 356, 445, 482, 710, 890, 964, 1205, 1420, 1780, 2410, 4820, 6319, 12638, 17111, 21449, 25276, 31595, 34222, 42898, 63190, 68444, 85555, 85796, 107245, 126380, 171110, 214490, 342220, 428980, 1522879, 3045758, 6091516, 7614395, 15228790, 30457580]

約数ペア:

[(1, 30457580), (2, 15228790), (4, 7614395), (5, 6091516), (10, 3045758), (20, 1522879), (71, 428980), (89, 342220), (142, 214490), (178, 171110), (241, 126380), (284, 107245), (355, 85796), (356, 85555), (445, 68444), (482, 63190), (710, 42898), (890, 34222), (964, 31595), (1205, 25276), (1420, 21449), (1780, 17111), (2410, 12638), (4820, 6319)]