28486961860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{328721}}^1$

素因数の和:329356

約数の個数: 48

約数和(自身を含む): 68479367040

約数和(自身を除く): 39992405180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 619, 1238, 2476, 3095, 4333, 6190, 8666, 12380, 17332, 21665, 43330, 86660, 328721, 657442, 1314884, 1643605, 2301047, 3287210, 4602094, 6574420, 9204188, 11505235, 23010470, 46020940, 203478299, 406956598, 813913196, 1017391495, 1424348093, 2034782990, 2848696186, 4069565980, 5697392372, 7121740465, 14243480930, 28486961860]

約数ペア:

[(1, 28486961860), (2, 14243480930), (4, 7121740465), (5, 5697392372), (7, 4069565980), (10, 2848696186), (14, 2034782990), (20, 1424348093), (28, 1017391495), (35, 813913196), (70, 406956598), (140, 203478299), (619, 46020940), (1238, 23010470), (2476, 11505235), (3095, 9204188), (4333, 6574420), (6190, 4602094), (8666, 3287210), (12380, 2301047), (17332, 1643605), (21665, 1314884), (43330, 657442), (86660, 328721)]