85487780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 216760320

約数和(自身を除く): 131272540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 139, 140, 161, 191, 230, 278, 322, 382, 460, 556, 644, 695, 764, 805, 955, 973, 1337, 1390, 1610, 1910, 1946, 2674, 2780, 3197, 3220, 3820, 3892, 4393, 4865, 5348, 6394, 6685, 8786, 9730, 12788, 13370, 15985, 17572, 19460, 21965, 22379, 26549, 26740, 30751, 31970, 43930, 44758, 53098, 61502, 63940, 87860, 89516, 106196, 111895, 123004, 132745, 153755, 185843, 223790, 265490, 307510, 371686, 447580, 530980, 610627, 615020, 743372, 929215, 1221254, 1858430, 2442508, 3053135, 3716860, 4274389, 6106270, 8548778, 12212540, 17097556, 21371945, 42743890, 85487780]

約数ペア:

[(1, 85487780), (2, 42743890), (4, 21371945), (5, 17097556), (7, 12212540), (10, 8548778), (14, 6106270), (20, 4274389), (23, 3716860), (28, 3053135), (35, 2442508), (46, 1858430), (70, 1221254), (92, 929215), (115, 743372), (139, 615020), (140, 610627), (161, 530980), (191, 447580), (230, 371686), (278, 307510), (322, 265490), (382, 223790), (460, 185843), (556, 153755), (644, 132745), (695, 123004), (764, 111895), (805, 106196), (955, 89516), (973, 87860), (1337, 63940), (1390, 61502), (1610, 53098), (1910, 44758), (1946, 43930), (2674, 31970), (2780, 30751), (3197, 26740), (3220, 26549), (3820, 22379), (3892, 21965), (4393, 19460), (4865, 17572), (5348, 15985), (6394, 13370), (6685, 12788), (8786, 9730)]