99820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 258048

約数和(自身を除く): 158228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 2170, 2852, 3220, 3565, 4340, 4991, 7130, 9982, 14260, 19964, 24955, 49910, 99820]

約数ペア:

[(1, 99820), (2, 49910), (4, 24955), (5, 19964), (7, 14260), (10, 9982), (14, 7130), (20, 4991), (23, 4340), (28, 3565), (31, 3220), (35, 2852), (46, 2170), (62, 1610), (70, 1426), (92, 1085), (115, 868), (124, 805), (140, 713), (155, 644), (161, 620), (217, 460), (230, 434), (310, 322)]