156657170

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2621}}^1$

素因数の和:2810

約数の個数: 32

約数和(自身を含む): 290727360

約数和(自身を除く): 134070190

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 695, 1390, 2621, 5242, 5977, 11954, 13105, 26210, 29885, 59770, 112703, 225406, 364319, 563515, 728638, 1127030, 1821595, 3643190, 15665717, 31331434, 78328585, 156657170]

約数ペア:

[(1, 156657170), (2, 78328585), (5, 31331434), (10, 15665717), (43, 3643190), (86, 1821595), (139, 1127030), (215, 728638), (278, 563515), (430, 364319), (695, 225406), (1390, 112703), (2621, 59770), (5242, 29885), (5977, 26210), (11954, 13105)]