142272020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 351461376

約数和(自身を除く): 209189356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 31, 44, 46, 55, 62, 92, 110, 115, 124, 155, 220, 230, 253, 310, 341, 460, 506, 620, 682, 713, 907, 1012, 1265, 1364, 1426, 1705, 1814, 2530, 2852, 3410, 3565, 3628, 4535, 5060, 6820, 7130, 7843, 9070, 9977, 14260, 15686, 18140, 19954, 20861, 28117, 31372, 39215, 39908, 41722, 49885, 56234, 78430, 83444, 99770, 104305, 112468, 140585, 156860, 199540, 208610, 229471, 281170, 309287, 417220, 458942, 562340, 618574, 646691, 917884, 1147355, 1237148, 1293382, 1546435, 2294710, 2586764, 3092870, 3233455, 4589420, 6185740, 6466910, 7113601, 12933820, 14227202, 28454404, 35568005, 71136010, 142272020]

約数ペア:

[(1, 142272020), (2, 71136010), (4, 35568005), (5, 28454404), (10, 14227202), (11, 12933820), (20, 7113601), (22, 6466910), (23, 6185740), (31, 4589420), (44, 3233455), (46, 3092870), (55, 2586764), (62, 2294710), (92, 1546435), (110, 1293382), (115, 1237148), (124, 1147355), (155, 917884), (220, 646691), (230, 618574), (253, 562340), (310, 458942), (341, 417220), (460, 309287), (506, 281170), (620, 229471), (682, 208610), (713, 199540), (907, 156860), (1012, 140585), (1265, 112468), (1364, 104305), (1426, 99770), (1705, 83444), (1814, 78430), (2530, 56234), (2852, 49885), (3410, 41722), (3565, 39908), (3628, 39215), (4535, 31372), (5060, 28117), (6820, 20861), (7130, 19954), (7843, 18140), (9070, 15686), (9977, 14260)]