581986940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{29423}}^1$

素因数の和:29498

約数の個数: 48

約数和(自身を含む): 1305013248

約数和(自身を除く): 723026308

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 19780, 29423, 58846, 117692, 147115, 294230, 588460, 676729, 1265189, 1353458, 2530378, 2706916, 3383645, 5060756, 6325945, 6767290, 12651890, 13534580, 25303780, 29099347, 58198694, 116397388, 145496735, 290993470, 581986940]

約数ペア:

[(1, 581986940), (2, 290993470), (4, 145496735), (5, 116397388), (10, 58198694), (20, 29099347), (23, 25303780), (43, 13534580), (46, 12651890), (86, 6767290), (92, 6325945), (115, 5060756), (172, 3383645), (215, 2706916), (230, 2530378), (430, 1353458), (460, 1265189), (860, 676729), (989, 588460), (1978, 294230), (3956, 147115), (4945, 117692), (9890, 58846), (19780, 29423)]