1442552440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 3794688000

約数和(自身を除く): 2352135560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 149, 280, 284, 298, 355, 487, 497, 568, 596, 710, 745, 974, 994, 1043, 1192, 1420, 1490, 1948, 1988, 2086, 2435, 2485, 2840, 2980, 3409, 3896, 3976, 4172, 4870, 4970, 5215, 5960, 6818, 8344, 9740, 9940, 10430, 10579, 13636, 17045, 19480, 19880, 20860, 21158, 27272, 34090, 34577, 41720, 42316, 52895, 68180, 69154, 72563, 74053, 84632, 105790, 136360, 138308, 145126, 148106, 172885, 211580, 242039, 276616, 290252, 296212, 345770, 362815, 370265, 423160, 484078, 507941, 580504, 592424, 691540, 725630, 740530, 968156, 1015882, 1210195, 1383080, 1451260, 1481060, 1936312, 2031764, 2420390, 2539705, 2902520, 2962120, 4063528, 4840780, 5079410, 5151973, 9681560, 10158820, 10303946, 20317640, 20607892, 25759865, 36063811, 41215784, 51519730, 72127622, 103039460, 144255244, 180319055, 206078920, 288510488, 360638110, 721276220, 1442552440]

約数ペア:

[(1, 1442552440), (2, 721276220), (4, 360638110), (5, 288510488), (7, 206078920), (8, 180319055), (10, 144255244), (14, 103039460), (20, 72127622), (28, 51519730), (35, 41215784), (40, 36063811), (56, 25759865), (70, 20607892), (71, 20317640), (140, 10303946), (142, 10158820), (149, 9681560), (280, 5151973), (284, 5079410), (298, 4840780), (355, 4063528), (487, 2962120), (497, 2902520), (568, 2539705), (596, 2420390), (710, 2031764), (745, 1936312), (974, 1481060), (994, 1451260), (1043, 1383080), (1192, 1210195), (1420, 1015882), (1490, 968156), (1948, 740530), (1988, 725630), (2086, 691540), (2435, 592424), (2485, 580504), (2840, 507941), (2980, 484078), (3409, 423160), (3896, 370265), (3976, 362815), (4172, 345770), (4870, 296212), (4970, 290252), (5215, 276616), (5960, 242039), (6818, 211580), (8344, 172885), (9740, 148106), (9940, 145126), (10430, 138308), (10579, 136360), (13636, 105790), (17045, 84632), (19480, 74053), (19880, 72563), (20860, 69154), (21158, 68180), (27272, 52895), (34090, 42316), (34577, 41720)]