515098780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{2357}}^1$

素因数の和:2603

約数の個数: 72

約数和(自身を含む): 1264491648

約数和(自身を除く): 749392868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 446, 490, 892, 980, 1115, 1561, 2230, 2357, 3122, 4460, 4714, 6244, 7805, 9428, 10927, 11785, 15610, 16499, 21854, 23570, 31220, 32998, 43708, 47140, 54635, 65996, 82495, 109270, 115493, 164990, 218540, 230986, 329980, 461972, 525611, 577465, 1051222, 1154930, 2102444, 2309860, 2628055, 3679277, 5256110, 7358554, 10512220, 14717108, 18396385, 25754939, 36792770, 51509878, 73585540, 103019756, 128774695, 257549390, 515098780]

約数ペア:

[(1, 515098780), (2, 257549390), (4, 128774695), (5, 103019756), (7, 73585540), (10, 51509878), (14, 36792770), (20, 25754939), (28, 18396385), (35, 14717108), (49, 10512220), (70, 7358554), (98, 5256110), (140, 3679277), (196, 2628055), (223, 2309860), (245, 2102444), (446, 1154930), (490, 1051222), (892, 577465), (980, 525611), (1115, 461972), (1561, 329980), (2230, 230986), (2357, 218540), (3122, 164990), (4460, 115493), (4714, 109270), (6244, 82495), (7805, 65996), (9428, 54635), (10927, 47140), (11785, 43708), (15610, 32998), (16499, 31220), (21854, 23570)]