215280400

素因数分解:

$2^4\times 5^2\times {\mathrm{538201}}^1$

素因数の和:538219

約数の個数: 30

約数和(自身を含む): 517212122

約数和(自身を除く): 301931722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 538201, 1076402, 2152804, 2691005, 4305608, 5382010, 8611216, 10764020, 13455025, 21528040, 26910050, 43056080, 53820100, 107640200, 215280400]

約数ペア:

[(1, 215280400), (2, 107640200), (4, 53820100), (5, 43056080), (8, 26910050), (10, 21528040), (16, 13455025), (20, 10764020), (25, 8611216), (40, 5382010), (50, 4305608), (80, 2691005), (100, 2152804), (200, 1076402), (400, 538201)]