7888942740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{71419}}^1$

素因数の和:71701

約数の個数: 96

約数和(自身を含む): 25340958720

約数和(自身を除く): 17452015980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 263, 420, 526, 789, 1052, 1315, 1578, 1841, 2630, 3156, 3682, 3945, 5260, 5523, 7364, 7890, 9205, 11046, 15780, 18410, 22092, 27615, 36820, 55230, 71419, 110460, 142838, 214257, 285676, 357095, 428514, 499933, 714190, 857028, 999866, 1071285, 1428380, 1499799, 1999732, 2142570, 2499665, 2999598, 4285140, 4999330, 5999196, 7498995, 9998660, 14997990, 18783197, 29995980, 37566394, 56349591, 75132788, 93915985, 112699182, 131482379, 187831970, 225398364, 262964758, 281747955, 375663940, 394447137, 525929516, 563495910, 657411895, 788894274, 1126991820, 1314823790, 1577788548, 1972235685, 2629647580, 3944471370, 7888942740]

約数ペア:

[(1, 7888942740), (2, 3944471370), (3, 2629647580), (4, 1972235685), (5, 1577788548), (6, 1314823790), (7, 1126991820), (10, 788894274), (12, 657411895), (14, 563495910), (15, 525929516), (20, 394447137), (21, 375663940), (28, 281747955), (30, 262964758), (35, 225398364), (42, 187831970), (60, 131482379), (70, 112699182), (84, 93915985), (105, 75132788), (140, 56349591), (210, 37566394), (263, 29995980), (420, 18783197), (526, 14997990), (789, 9998660), (1052, 7498995), (1315, 5999196), (1578, 4999330), (1841, 4285140), (2630, 2999598), (3156, 2499665), (3682, 2142570), (3945, 1999732), (5260, 1499799), (5523, 1428380), (7364, 1071285), (7890, 999866), (9205, 857028), (11046, 714190), (15780, 499933), (18410, 428514), (22092, 357095), (27615, 285676), (36820, 214257), (55230, 142838), (71419, 110460)]