406937720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9257}}^1$

素因数の和:9432

約数の個数: 64

約数和(自身を含む): 1053190080

約数和(自身を除く): 646252360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 2198, 3140, 4396, 5495, 6280, 8792, 9257, 10990, 18514, 21980, 37028, 43960, 46285, 64799, 74056, 92570, 129598, 185140, 259196, 323995, 370280, 518392, 647990, 1295980, 1453349, 2591960, 2906698, 5813396, 7266745, 10173443, 11626792, 14533490, 20346886, 29066980, 40693772, 50867215, 58133960, 81387544, 101734430, 203468860, 406937720]

約数ペア:

[(1, 406937720), (2, 203468860), (4, 101734430), (5, 81387544), (7, 58133960), (8, 50867215), (10, 40693772), (14, 29066980), (20, 20346886), (28, 14533490), (35, 11626792), (40, 10173443), (56, 7266745), (70, 5813396), (140, 2906698), (157, 2591960), (280, 1453349), (314, 1295980), (628, 647990), (785, 518392), (1099, 370280), (1256, 323995), (1570, 259196), (2198, 185140), (3140, 129598), (4396, 92570), (5495, 74056), (6280, 64799), (8792, 46285), (9257, 43960), (10990, 37028), (18514, 21980)]