172408460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7649}}^1$

素因数の和:7695

約数の個数: 72

約数和(自身を含む): 439538400

約数和(自身を除く): 267129940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 7649, 11270, 15298, 22540, 30596, 38245, 53543, 76490, 107086, 152980, 175927, 214172, 267715, 351854, 374801, 535430, 703708, 749602, 879635, 1070860, 1231489, 1499204, 1759270, 1874005, 2462978, 3518540, 3748010, 4925956, 6157445, 7496020, 8620423, 12314890, 17240846, 24629780, 34481692, 43102115, 86204230, 172408460]

約数ペア:

[(1, 172408460), (2, 86204230), (4, 43102115), (5, 34481692), (7, 24629780), (10, 17240846), (14, 12314890), (20, 8620423), (23, 7496020), (28, 6157445), (35, 4925956), (46, 3748010), (49, 3518540), (70, 2462978), (92, 1874005), (98, 1759270), (115, 1499204), (140, 1231489), (161, 1070860), (196, 879635), (230, 749602), (245, 703708), (322, 535430), (460, 374801), (490, 351854), (644, 267715), (805, 214172), (980, 175927), (1127, 152980), (1610, 107086), (2254, 76490), (3220, 53543), (4508, 38245), (5635, 30596), (7649, 22540), (11270, 15298)]