208371708

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 108

約数和(自身を含む): 574708680

約数和(自身を除く): 366336972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 317, 342, 372, 558, 589, 634, 684, 951, 961, 1116, 1178, 1268, 1767, 1902, 1922, 2356, 2853, 2883, 3534, 3804, 3844, 5301, 5706, 5766, 6023, 7068, 8649, 9827, 10602, 11412, 11532, 12046, 17298, 18069, 18259, 19654, 21204, 24092, 29481, 34596, 36138, 36518, 39308, 54207, 54777, 58962, 72276, 73036, 88443, 108414, 109554, 117924, 164331, 176886, 186713, 216828, 219108, 304637, 328662, 353772, 373426, 560139, 609274, 657324, 746852, 913911, 1120278, 1218548, 1680417, 1827822, 2240556, 2741733, 3360834, 3655644, 5483466, 5788103, 6721668, 10966932, 11576206, 17364309, 23152412, 34728618, 52092927, 69457236, 104185854, 208371708]

約数ペア:

[(1, 208371708), (2, 104185854), (3, 69457236), (4, 52092927), (6, 34728618), (9, 23152412), (12, 17364309), (18, 11576206), (19, 10966932), (31, 6721668), (36, 5788103), (38, 5483466), (57, 3655644), (62, 3360834), (76, 2741733), (93, 2240556), (114, 1827822), (124, 1680417), (171, 1218548), (186, 1120278), (228, 913911), (279, 746852), (317, 657324), (342, 609274), (372, 560139), (558, 373426), (589, 353772), (634, 328662), (684, 304637), (951, 219108), (961, 216828), (1116, 186713), (1178, 176886), (1268, 164331), (1767, 117924), (1902, 109554), (1922, 108414), (2356, 88443), (2853, 73036), (2883, 72276), (3534, 58962), (3804, 54777), (3844, 54207), (5301, 39308), (5706, 36518), (5766, 36138), (6023, 34596), (7068, 29481), (8649, 24092), (9827, 21204), (10602, 19654), (11412, 18259), (11532, 18069), (12046, 17298)]