42771940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{463}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 93542400

約数和(自身を除く): 50770460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 463, 596, 620, 745, 926, 1490, 1852, 2315, 2980, 4619, 4630, 9238, 9260, 14353, 18476, 23095, 28706, 46190, 57412, 68987, 71765, 92380, 137974, 143530, 275948, 287060, 344935, 689870, 1379740, 2138597, 4277194, 8554388, 10692985, 21385970, 42771940]

約数ペア:

[(1, 42771940), (2, 21385970), (4, 10692985), (5, 8554388), (10, 4277194), (20, 2138597), (31, 1379740), (62, 689870), (124, 344935), (149, 287060), (155, 275948), (298, 143530), (310, 137974), (463, 92380), (596, 71765), (620, 68987), (745, 57412), (926, 46190), (1490, 28706), (1852, 23095), (2315, 18476), (2980, 14353), (4619, 9260), (4630, 9238)]