811237840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9227}}^1$

素因数の和:9404

約数の個数: 80

約数和(自身を含む): 2169539712

約数和(自身を除く): 1358301872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 4396, 5495, 6280, 8792, 9227, 10990, 12560, 17584, 18454, 21980, 36908, 43960, 46135, 64589, 73816, 87920, 92270, 129178, 147632, 184540, 258356, 322945, 369080, 516712, 645890, 738160, 1033424, 1291780, 1448639, 2583560, 2897278, 5167120, 5794556, 7243195, 10140473, 11589112, 14486390, 20280946, 23178224, 28972780, 40561892, 50702365, 57945560, 81123784, 101404730, 115891120, 162247568, 202809460, 405618920, 811237840]

約数ペア:

[(1, 811237840), (2, 405618920), (4, 202809460), (5, 162247568), (7, 115891120), (8, 101404730), (10, 81123784), (14, 57945560), (16, 50702365), (20, 40561892), (28, 28972780), (35, 23178224), (40, 20280946), (56, 14486390), (70, 11589112), (80, 10140473), (112, 7243195), (140, 5794556), (157, 5167120), (280, 2897278), (314, 2583560), (560, 1448639), (628, 1291780), (785, 1033424), (1099, 738160), (1256, 645890), (1570, 516712), (2198, 369080), (2512, 322945), (3140, 258356), (4396, 184540), (5495, 147632), (6280, 129178), (8792, 92270), (9227, 87920), (10990, 73816), (12560, 64589), (17584, 46135), (18454, 43960), (21980, 36908)]