238413940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1619}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 517104000

約数和(自身を除く): 278690060

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 740, 796, 995, 1619, 1990, 3238, 3980, 6476, 7363, 8095, 14726, 16190, 29452, 32380, 36815, 59903, 73630, 119806, 147260, 239612, 299515, 322181, 599030, 644362, 1198060, 1288724, 1610905, 3221810, 6443620, 11920697, 23841394, 47682788, 59603485, 119206970, 238413940]

約数ペア:

[(1, 238413940), (2, 119206970), (4, 59603485), (5, 47682788), (10, 23841394), (20, 11920697), (37, 6443620), (74, 3221810), (148, 1610905), (185, 1288724), (199, 1198060), (370, 644362), (398, 599030), (740, 322181), (796, 299515), (995, 239612), (1619, 147260), (1990, 119806), (3238, 73630), (3980, 59903), (6476, 36815), (7363, 32380), (8095, 29452), (14726, 16190)]