87769930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 171093384

約数和(自身を除く): 83323454

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 361, 410, 593, 722, 779, 1186, 1558, 1805, 2965, 3610, 3895, 5930, 7790, 11267, 14801, 22534, 24313, 29602, 48626, 56335, 74005, 112670, 121565, 148010, 214073, 243130, 428146, 461947, 923894, 1070365, 2140730, 2309735, 4619470, 8776993, 17553986, 43884965, 87769930]

約数ペア:

[(1, 87769930), (2, 43884965), (5, 17553986), (10, 8776993), (19, 4619470), (38, 2309735), (41, 2140730), (82, 1070365), (95, 923894), (190, 461947), (205, 428146), (361, 243130), (410, 214073), (593, 148010), (722, 121565), (779, 112670), (1186, 74005), (1558, 56335), (1805, 48626), (2965, 29602), (3610, 24313), (3895, 22534), (5930, 14801), (7790, 11267)]