200970680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 467117280

約数和(自身を除く): 266146600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 251, 296, 370, 502, 541, 740, 1004, 1082, 1255, 1480, 2008, 2164, 2510, 2705, 4328, 5020, 5410, 9287, 10040, 10820, 18574, 20017, 21640, 37148, 40034, 46435, 74296, 80068, 92870, 100085, 135791, 160136, 185740, 200170, 271582, 371480, 400340, 543164, 678955, 800680, 1086328, 1357910, 2715820, 5024267, 5431640, 10048534, 20097068, 25121335, 40194136, 50242670, 100485340, 200970680]

約数ペア:

[(1, 200970680), (2, 100485340), (4, 50242670), (5, 40194136), (8, 25121335), (10, 20097068), (20, 10048534), (37, 5431640), (40, 5024267), (74, 2715820), (148, 1357910), (185, 1086328), (251, 800680), (296, 678955), (370, 543164), (502, 400340), (541, 371480), (740, 271582), (1004, 200170), (1082, 185740), (1255, 160136), (1480, 135791), (2008, 100085), (2164, 92870), (2510, 80068), (2705, 74296), (4328, 46435), (5020, 40034), (5410, 37148), (9287, 21640), (10040, 20017), (10820, 18574)]