31850980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4643}}^1$

素因数の和:4673

約数の個数: 48

約数和(自身を含む): 78019200

約数和(自身を除く): 46168220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4643, 6860, 9286, 18572, 23215, 32501, 46430, 65002, 92860, 130004, 162505, 227507, 325010, 455014, 650020, 910028, 1137535, 1592549, 2275070, 3185098, 4550140, 6370196, 7962745, 15925490, 31850980]

約数ペア:

[(1, 31850980), (2, 15925490), (4, 7962745), (5, 6370196), (7, 4550140), (10, 3185098), (14, 2275070), (20, 1592549), (28, 1137535), (35, 910028), (49, 650020), (70, 455014), (98, 325010), (140, 227507), (196, 162505), (245, 130004), (343, 92860), (490, 65002), (686, 46430), (980, 32501), (1372, 23215), (1715, 18572), (3430, 9286), (4643, 6860)]