200819260

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 427744800

約数和(自身を除く): 226925540

約数列:

[1, 2, 4, 5, 10, 20, 163, 229, 269, 326, 458, 538, 652, 815, 916, 1076, 1145, 1345, 1630, 2290, 2690, 3260, 4580, 5380, 37327, 43847, 61601, 74654, 87694, 123202, 149308, 175388, 186635, 219235, 246404, 308005, 373270, 438470, 616010, 746540, 876940, 1232020, 10040963, 20081926, 40163852, 50204815, 100409630, 200819260]

約数ペア:

[(1, 200819260), (2, 100409630), (4, 50204815), (5, 40163852), (10, 20081926), (20, 10040963), (163, 1232020), (229, 876940), (269, 746540), (326, 616010), (458, 438470), (538, 373270), (652, 308005), (815, 246404), (916, 219235), (1076, 186635), (1145, 175388), (1345, 149308), (1630, 123202), (2290, 87694), (2690, 74654), (3260, 61601), (4580, 43847), (5380, 37327)]