1994455400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:476

約数の個数: 192

約数和(自身を含む): 5501731200

約数和(自身を除く): 3507275800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 100, 139, 140, 148, 175, 185, 200, 259, 277, 278, 280, 296, 350, 370, 518, 554, 556, 695, 700, 740, 925, 973, 1036, 1108, 1112, 1295, 1385, 1390, 1400, 1480, 1850, 1939, 1946, 2072, 2216, 2590, 2770, 2780, 3475, 3700, 3878, 3892, 4865, 5143, 5180, 5540, 5560, 6475, 6925, 6950, 7400, 7756, 7784, 9695, 9730, 10249, 10286, 10360, 11080, 12950, 13850, 13900, 15512, 19390, 19460, 20498, 20572, 24325, 25715, 25900, 27700, 27800, 36001, 38503, 38780, 38920, 40996, 41144, 48475, 48650, 51245, 51430, 51800, 55400, 71743, 72002, 77006, 77560, 81992, 96950, 97300, 102490, 102860, 128575, 143486, 144004, 154012, 180005, 192515, 193900, 194600, 204980, 205720, 256225, 257150, 269521, 286972, 288008, 308024, 358715, 360010, 385030, 387800, 409960, 512450, 514300, 539042, 573944, 717430, 720020, 770060, 900025, 962575, 1024900, 1028600, 1078084, 1347605, 1424611, 1434860, 1440040, 1540120, 1793575, 1800050, 1925150, 2049800, 2156168, 2695210, 2849222, 2869720, 3587150, 3600100, 3850300, 5390420, 5698444, 6738025, 7123055, 7174300, 7200200, 7700600, 9972277, 10780840, 11396888, 13476050, 14246110, 14348600, 19944554, 26952100, 28492220, 35615275, 39889108, 49861385, 53904200, 56984440, 71230550, 79778216, 99722770, 142461100, 199445540, 249306925, 284922200, 398891080, 498613850, 997227700, 1994455400]

約数ペア:

[(1, 1994455400), (2, 997227700), (4, 498613850), (5, 398891080), (7, 284922200), (8, 249306925), (10, 199445540), (14, 142461100), (20, 99722770), (25, 79778216), (28, 71230550), (35, 56984440), (37, 53904200), (40, 49861385), (50, 39889108), (56, 35615275), (70, 28492220), (74, 26952100), (100, 19944554), (139, 14348600), (140, 14246110), (148, 13476050), (175, 11396888), (185, 10780840), (200, 9972277), (259, 7700600), (277, 7200200), (278, 7174300), (280, 7123055), (296, 6738025), (350, 5698444), (370, 5390420), (518, 3850300), (554, 3600100), (556, 3587150), (695, 2869720), (700, 2849222), (740, 2695210), (925, 2156168), (973, 2049800), (1036, 1925150), (1108, 1800050), (1112, 1793575), (1295, 1540120), (1385, 1440040), (1390, 1434860), (1400, 1424611), (1480, 1347605), (1850, 1078084), (1939, 1028600), (1946, 1024900), (2072, 962575), (2216, 900025), (2590, 770060), (2770, 720020), (2780, 717430), (3475, 573944), (3700, 539042), (3878, 514300), (3892, 512450), (4865, 409960), (5143, 387800), (5180, 385030), (5540, 360010), (5560, 358715), (6475, 308024), (6925, 288008), (6950, 286972), (7400, 269521), (7756, 257150), (7784, 256225), (9695, 205720), (9730, 204980), (10249, 194600), (10286, 193900), (10360, 192515), (11080, 180005), (12950, 154012), (13850, 144004), (13900, 143486), (15512, 128575), (19390, 102860), (19460, 102490), (20498, 97300), (20572, 96950), (24325, 81992), (25715, 77560), (25900, 77006), (27700, 72002), (27800, 71743), (36001, 55400), (38503, 51800), (38780, 51430), (38920, 51245), (40996, 48650), (41144, 48475)]