1728804980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{169159}}^1$

素因数の和:169248

約数の個数: 48

約数和(自身を含む): 4205994240

約数和(自身を除く): 2477189260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 169159, 338318, 676636, 845795, 1184113, 1691590, 2368226, 3383180, 4736452, 5920565, 11841130, 12348607, 23682260, 24697214, 49394428, 61743035, 86440249, 123486070, 172880498, 246972140, 345760996, 432201245, 864402490, 1728804980]

約数ペア:

[(1, 1728804980), (2, 864402490), (4, 432201245), (5, 345760996), (7, 246972140), (10, 172880498), (14, 123486070), (20, 86440249), (28, 61743035), (35, 49394428), (70, 24697214), (73, 23682260), (140, 12348607), (146, 11841130), (292, 5920565), (365, 4736452), (511, 3383180), (730, 2368226), (1022, 1691590), (1460, 1184113), (2044, 845795), (2555, 676636), (5110, 338318), (10220, 169159)]