400491998608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1\times {\mathrm{10837}}^1$

素因数の和:12384

約数の個数: 80

約数和(自身を含む): 842901606400

約数和(自身を除く): 442409607792

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1399, 1651, 2032, 2798, 3302, 5596, 6604, 10837, 11192, 13208, 18187, 21674, 22384, 26416, 36374, 43348, 72748, 86696, 140881, 145496, 173392, 177673, 281762, 290992, 355346, 563524, 710692, 1127048, 1376299, 1421384, 2254096, 2309749, 2752598, 2842768, 4619498, 5505196, 9238996, 11010392, 15160963, 17891887, 18477992, 22020784, 30321926, 35783774, 36955984, 60643852, 71567548, 121287704, 143135096, 197092519, 242575408, 286270192, 394185038, 788370076, 1576740152, 1925442301, 3153480304, 3850884602, 7701769204, 15403538408, 25030749913, 30807076816, 50061499826, 100122999652, 200245999304, 400491998608]

約数ペア:

[(1, 400491998608), (2, 200245999304), (4, 100122999652), (8, 50061499826), (13, 30807076816), (16, 25030749913), (26, 15403538408), (52, 7701769204), (104, 3850884602), (127, 3153480304), (208, 1925442301), (254, 1576740152), (508, 788370076), (1016, 394185038), (1399, 286270192), (1651, 242575408), (2032, 197092519), (2798, 143135096), (3302, 121287704), (5596, 71567548), (6604, 60643852), (10837, 36955984), (11192, 35783774), (13208, 30321926), (18187, 22020784), (21674, 18477992), (22384, 17891887), (26416, 15160963), (36374, 11010392), (43348, 9238996), (72748, 5505196), (86696, 4619498), (140881, 2842768), (145496, 2752598), (173392, 2309749), (177673, 2254096), (281762, 1421384), (290992, 1376299), (355346, 1127048), (563524, 710692)]