69945140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205721}}^1$

素因数の和:205747

約数の個数: 24

約数和(自身を含む): 155525832

約数和(自身を除く): 85580692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 205721, 411442, 822884, 1028605, 2057210, 3497257, 4114420, 6994514, 13989028, 17486285, 34972570, 69945140]

約数ペア:

[(1, 69945140), (2, 34972570), (4, 17486285), (5, 13989028), (10, 6994514), (17, 4114420), (20, 3497257), (34, 2057210), (68, 1028605), (85, 822884), (170, 411442), (340, 205721)]