31011820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9631}}^1$

素因数の和:9670

約数の個数: 48

約数和(自身を含む): 77672448

約数和(自身を除く): 46660628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9631, 19262, 38524, 48155, 67417, 96310, 134834, 192620, 221513, 269668, 337085, 443026, 674170, 886052, 1107565, 1348340, 1550591, 2215130, 3101182, 4430260, 6202364, 7752955, 15505910, 31011820]

約数ペア:

[(1, 31011820), (2, 15505910), (4, 7752955), (5, 6202364), (7, 4430260), (10, 3101182), (14, 2215130), (20, 1550591), (23, 1348340), (28, 1107565), (35, 886052), (46, 674170), (70, 443026), (92, 337085), (115, 269668), (140, 221513), (161, 192620), (230, 134834), (322, 96310), (460, 67417), (644, 48155), (805, 38524), (1610, 19262), (3220, 9631)]