245480840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 637009920

約数和(自身を除く): 391529080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 127, 184, 191, 220, 230, 253, 254, 382, 440, 460, 506, 508, 635, 764, 920, 955, 1012, 1016, 1265, 1270, 1397, 1528, 1910, 2024, 2101, 2530, 2540, 2794, 2921, 3820, 4202, 4393, 5060, 5080, 5588, 5842, 6985, 7640, 8404, 8786, 10120, 10505, 11176, 11684, 13970, 14605, 16808, 17572, 21010, 21965, 23368, 24257, 27940, 29210, 32131, 35144, 42020, 43930, 48323, 48514, 55880, 58420, 64262, 84040, 87860, 96646, 97028, 116840, 121285, 128524, 160655, 175720, 193292, 194056, 241615, 242570, 257048, 266827, 321310, 386584, 483230, 485140, 533654, 557911, 642620, 966460, 970280, 1067308, 1115822, 1285240, 1334135, 1932920, 2134616, 2231644, 2668270, 2789555, 4463288, 5336540, 5579110, 6137021, 10673080, 11158220, 12274042, 22316440, 24548084, 30685105, 49096168, 61370210, 122740420, 245480840]

約数ペア:

[(1, 245480840), (2, 122740420), (4, 61370210), (5, 49096168), (8, 30685105), (10, 24548084), (11, 22316440), (20, 12274042), (22, 11158220), (23, 10673080), (40, 6137021), (44, 5579110), (46, 5336540), (55, 4463288), (88, 2789555), (92, 2668270), (110, 2231644), (115, 2134616), (127, 1932920), (184, 1334135), (191, 1285240), (220, 1115822), (230, 1067308), (253, 970280), (254, 966460), (382, 642620), (440, 557911), (460, 533654), (506, 485140), (508, 483230), (635, 386584), (764, 321310), (920, 266827), (955, 257048), (1012, 242570), (1016, 241615), (1265, 194056), (1270, 193292), (1397, 175720), (1528, 160655), (1910, 128524), (2024, 121285), (2101, 116840), (2530, 97028), (2540, 96646), (2794, 87860), (2921, 84040), (3820, 64262), (4202, 58420), (4393, 55880), (5060, 48514), (5080, 48323), (5588, 43930), (5842, 42020), (6985, 35144), (7640, 32131), (8404, 29210), (8786, 27940), (10120, 24257), (10505, 23368), (11176, 21965), (11684, 21010), (13970, 17572), (14605, 16808)]