422417420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 925413216

約数和(自身を除く): 502995796

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 103, 106, 146, 206, 212, 265, 292, 365, 412, 515, 530, 730, 1030, 1060, 1460, 2060, 2809, 3869, 5459, 5618, 7519, 7738, 10918, 11236, 14045, 15038, 15476, 19345, 21836, 27295, 28090, 30076, 37595, 38690, 54590, 56180, 75190, 77380, 109180, 150380, 205057, 289327, 398507, 410114, 578654, 797014, 820228, 1025285, 1157308, 1446635, 1594028, 1992535, 2050570, 2893270, 3985070, 4101140, 5786540, 7970140, 21120871, 42241742, 84483484, 105604355, 211208710, 422417420]

約数ペア:

[(1, 422417420), (2, 211208710), (4, 105604355), (5, 84483484), (10, 42241742), (20, 21120871), (53, 7970140), (73, 5786540), (103, 4101140), (106, 3985070), (146, 2893270), (206, 2050570), (212, 1992535), (265, 1594028), (292, 1446635), (365, 1157308), (412, 1025285), (515, 820228), (530, 797014), (730, 578654), (1030, 410114), (1060, 398507), (1460, 289327), (2060, 205057), (2809, 150380), (3869, 109180), (5459, 77380), (5618, 75190), (7519, 56180), (7738, 54590), (10918, 38690), (11236, 37595), (14045, 30076), (15038, 28090), (15476, 27295), (19345, 21836)]