197000520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 622391040

約数和(自身を除く): 425390520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 137, 138, 184, 230, 274, 276, 345, 411, 460, 521, 548, 552, 685, 690, 822, 920, 1042, 1096, 1370, 1380, 1563, 1644, 2055, 2084, 2605, 2740, 2760, 3126, 3151, 3288, 4110, 4168, 5210, 5480, 6252, 6302, 7815, 8220, 9453, 10420, 11983, 12504, 12604, 15630, 15755, 16440, 18906, 20840, 23966, 25208, 31260, 31510, 35949, 37812, 47265, 47932, 59915, 62520, 63020, 71377, 71898, 75624, 94530, 95864, 119830, 126040, 142754, 143796, 179745, 189060, 214131, 239660, 285508, 287592, 356885, 359490, 378120, 428262, 479320, 571016, 713770, 718980, 856524, 1070655, 1427540, 1437960, 1641671, 1713048, 2141310, 2855080, 3283342, 4282620, 4925013, 6566684, 8208355, 8565240, 9850026, 13133368, 16416710, 19700052, 24625065, 32833420, 39400104, 49250130, 65666840, 98500260, 197000520]

約数ペア:

[(1, 197000520), (2, 98500260), (3, 65666840), (4, 49250130), (5, 39400104), (6, 32833420), (8, 24625065), (10, 19700052), (12, 16416710), (15, 13133368), (20, 9850026), (23, 8565240), (24, 8208355), (30, 6566684), (40, 4925013), (46, 4282620), (60, 3283342), (69, 2855080), (92, 2141310), (115, 1713048), (120, 1641671), (137, 1437960), (138, 1427540), (184, 1070655), (230, 856524), (274, 718980), (276, 713770), (345, 571016), (411, 479320), (460, 428262), (521, 378120), (548, 359490), (552, 356885), (685, 287592), (690, 285508), (822, 239660), (920, 214131), (1042, 189060), (1096, 179745), (1370, 143796), (1380, 142754), (1563, 126040), (1644, 119830), (2055, 95864), (2084, 94530), (2605, 75624), (2740, 71898), (2760, 71377), (3126, 63020), (3151, 62520), (3288, 59915), (4110, 47932), (4168, 47265), (5210, 37812), (5480, 35949), (6252, 31510), (6302, 31260), (7815, 25208), (8220, 23966), (9453, 20840), (10420, 18906), (11983, 16440), (12504, 15755), (12604, 15630)]