392364440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 1011225600

約数和(自身を除く): 618861160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 151, 152, 190, 247, 260, 263, 302, 380, 494, 520, 526, 604, 755, 760, 988, 1052, 1208, 1235, 1315, 1510, 1963, 1976, 2104, 2470, 2630, 2869, 3020, 3419, 3926, 4940, 4997, 5260, 5738, 6040, 6838, 7852, 9815, 9880, 9994, 10520, 11476, 13676, 14345, 15704, 17095, 19630, 19988, 22952, 24985, 27352, 28690, 34190, 37297, 39260, 39713, 39976, 49970, 57380, 64961, 68380, 74594, 78520, 79426, 99940, 114760, 129922, 136760, 149188, 158852, 186485, 198565, 199880, 259844, 298376, 317704, 324805, 372970, 397130, 516269, 519688, 649610, 745940, 754547, 794260, 1032538, 1299220, 1491880, 1509094, 1588520, 2065076, 2581345, 2598440, 3018188, 3772735, 4130152, 5162690, 6036376, 7545470, 9809111, 10325380, 15090940, 19618222, 20650760, 30181880, 39236444, 49045555, 78472888, 98091110, 196182220, 392364440]

約数ペア:

[(1, 392364440), (2, 196182220), (4, 98091110), (5, 78472888), (8, 49045555), (10, 39236444), (13, 30181880), (19, 20650760), (20, 19618222), (26, 15090940), (38, 10325380), (40, 9809111), (52, 7545470), (65, 6036376), (76, 5162690), (95, 4130152), (104, 3772735), (130, 3018188), (151, 2598440), (152, 2581345), (190, 2065076), (247, 1588520), (260, 1509094), (263, 1491880), (302, 1299220), (380, 1032538), (494, 794260), (520, 754547), (526, 745940), (604, 649610), (755, 519688), (760, 516269), (988, 397130), (1052, 372970), (1208, 324805), (1235, 317704), (1315, 298376), (1510, 259844), (1963, 199880), (1976, 198565), (2104, 186485), (2470, 158852), (2630, 149188), (2869, 136760), (3020, 129922), (3419, 114760), (3926, 99940), (4940, 79426), (4997, 78520), (5260, 74594), (5738, 68380), (6040, 64961), (6838, 57380), (7852, 49970), (9815, 39976), (9880, 39713), (9994, 39260), (10520, 37297), (11476, 34190), (13676, 28690), (14345, 27352), (15704, 24985), (17095, 22952), (19630, 19988)]