275799550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 72

約数和(自身を含む): 562035456

約数和(自身を除く): 286235906

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 127, 130, 169, 254, 257, 325, 338, 514, 635, 650, 845, 1270, 1285, 1651, 1690, 2570, 3175, 3302, 3341, 4225, 6350, 6425, 6682, 8255, 8450, 12850, 16510, 16705, 21463, 32639, 33410, 41275, 42926, 43433, 65278, 82550, 83525, 86866, 107315, 163195, 167050, 214630, 217165, 326390, 424307, 434330, 536575, 815975, 848614, 1073150, 1085825, 1631950, 2121535, 2171650, 4243070, 5515991, 10607675, 11031982, 21215350, 27579955, 55159910, 137899775, 275799550]

約数ペア:

[(1, 275799550), (2, 137899775), (5, 55159910), (10, 27579955), (13, 21215350), (25, 11031982), (26, 10607675), (50, 5515991), (65, 4243070), (127, 2171650), (130, 2121535), (169, 1631950), (254, 1085825), (257, 1073150), (325, 848614), (338, 815975), (514, 536575), (635, 434330), (650, 424307), (845, 326390), (1270, 217165), (1285, 214630), (1651, 167050), (1690, 163195), (2570, 107315), (3175, 86866), (3302, 83525), (3341, 82550), (4225, 65278), (6350, 43433), (6425, 42926), (6682, 41275), (8255, 33410), (8450, 32639), (12850, 21463), (16510, 16705)]