171908770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1111

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 188068190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 83, 95, 110, 166, 190, 209, 415, 418, 830, 913, 991, 1045, 1577, 1826, 1982, 2090, 3154, 4565, 4955, 7885, 9130, 9910, 10901, 15770, 17347, 18829, 21802, 34694, 37658, 54505, 82253, 86735, 94145, 109010, 164506, 173470, 188290, 207119, 411265, 414238, 822530, 904783, 1035595, 1562807, 1809566, 2071190, 3125614, 4523915, 7814035, 9047830, 15628070, 17190877, 34381754, 85954385, 171908770]

約数ペア:

[(1, 171908770), (2, 85954385), (5, 34381754), (10, 17190877), (11, 15628070), (19, 9047830), (22, 7814035), (38, 4523915), (55, 3125614), (83, 2071190), (95, 1809566), (110, 1562807), (166, 1035595), (190, 904783), (209, 822530), (415, 414238), (418, 411265), (830, 207119), (913, 188290), (991, 173470), (1045, 164506), (1577, 109010), (1826, 94145), (1982, 86735), (2090, 82253), (3154, 54505), (4565, 37658), (4955, 34694), (7885, 21802), (9130, 18829), (9910, 17347), (10901, 15770)]