620336660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{2161}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 1348257792

約数和(自身を除く): 727921132

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 463, 620, 926, 1852, 2161, 2315, 4322, 4630, 8644, 9260, 10805, 14353, 21610, 28706, 43220, 57412, 66991, 71765, 133982, 143530, 267964, 287060, 334955, 669910, 1000543, 1339820, 2001086, 4002172, 5002715, 10005430, 20010860, 31016833, 62033666, 124067332, 155084165, 310168330, 620336660]

約数ペア:

[(1, 620336660), (2, 310168330), (4, 155084165), (5, 124067332), (10, 62033666), (20, 31016833), (31, 20010860), (62, 10005430), (124, 5002715), (155, 4002172), (310, 2001086), (463, 1339820), (620, 1000543), (926, 669910), (1852, 334955), (2161, 287060), (2315, 267964), (4322, 143530), (4630, 133982), (8644, 71765), (9260, 66991), (10805, 57412), (14353, 43220), (21610, 28706)]