154865240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227743}}^1$

素因数の和:227771

約数の個数: 32

約数和(自身を含む): 368945280

約数和(自身を除く): 214080040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 227743, 455486, 910972, 1138715, 1821944, 2277430, 3871631, 4554860, 7743262, 9109720, 15486524, 19358155, 30973048, 38716310, 77432620, 154865240]

約数ペア:

[(1, 154865240), (2, 77432620), (4, 38716310), (5, 30973048), (8, 19358155), (10, 15486524), (17, 9109720), (20, 7743262), (34, 4554860), (40, 3871631), (68, 2277430), (85, 1821944), (136, 1138715), (170, 910972), (340, 455486), (680, 227743)]