4913780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 11081280

約数和(自身を除く): 6167500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 193, 268, 335, 380, 386, 670, 772, 965, 1273, 1340, 1930, 2546, 3667, 3860, 5092, 6365, 7334, 12730, 12931, 14668, 18335, 25460, 25862, 36670, 51724, 64655, 73340, 129310, 245689, 258620, 491378, 982756, 1228445, 2456890, 4913780]

約数ペア:

[(1, 4913780), (2, 2456890), (4, 1228445), (5, 982756), (10, 491378), (19, 258620), (20, 245689), (38, 129310), (67, 73340), (76, 64655), (95, 51724), (134, 36670), (190, 25862), (193, 25460), (268, 18335), (335, 14668), (380, 12931), (386, 12730), (670, 7334), (772, 6365), (965, 5092), (1273, 3860), (1340, 3667), (1930, 2546)]