4457380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 9846144

約数和(自身を除く): 5388764

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 73, 86, 142, 146, 172, 215, 284, 292, 355, 365, 430, 710, 730, 860, 1420, 1460, 3053, 3139, 5183, 6106, 6278, 10366, 12212, 12556, 15265, 15695, 20732, 25915, 30530, 31390, 51830, 61060, 62780, 103660, 222869, 445738, 891476, 1114345, 2228690, 4457380]

約数ペア:

[(1, 4457380), (2, 2228690), (4, 1114345), (5, 891476), (10, 445738), (20, 222869), (43, 103660), (71, 62780), (73, 61060), (86, 51830), (142, 31390), (146, 30530), (172, 25915), (215, 20732), (284, 15695), (292, 15265), (355, 12556), (365, 12212), (430, 10366), (710, 6278), (730, 6106), (860, 5183), (1420, 3139), (1460, 3053)]