16788860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 41341104

約数和(自身を除く): 24552244

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 67, 68, 85, 110, 134, 170, 187, 220, 268, 335, 340, 374, 670, 737, 748, 935, 1139, 1340, 1474, 1870, 2278, 2948, 3685, 3740, 4489, 4556, 5695, 7370, 8978, 11390, 12529, 14740, 17956, 22445, 22780, 25058, 44890, 49379, 50116, 62645, 76313, 89780, 98758, 125290, 152626, 197516, 246895, 250580, 305252, 381565, 493790, 763130, 839443, 987580, 1526260, 1678886, 3357772, 4197215, 8394430, 16788860]

約数ペア:

[(1, 16788860), (2, 8394430), (4, 4197215), (5, 3357772), (10, 1678886), (11, 1526260), (17, 987580), (20, 839443), (22, 763130), (34, 493790), (44, 381565), (55, 305252), (67, 250580), (68, 246895), (85, 197516), (110, 152626), (134, 125290), (170, 98758), (187, 89780), (220, 76313), (268, 62645), (335, 50116), (340, 49379), (374, 44890), (670, 25058), (737, 22780), (748, 22445), (935, 17956), (1139, 14740), (1340, 12529), (1474, 11390), (1870, 8978), (2278, 7370), (2948, 5695), (3685, 4556), (3740, 4489)]