138718400

素因数分解:

$2^6\times 5^2\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:682

約数の個数: 84

約数和(自身を含む): 343936320

約数和(自身を除く): 205217920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 181, 200, 320, 362, 400, 479, 724, 800, 905, 958, 1448, 1600, 1810, 1916, 2395, 2896, 3620, 3832, 4525, 4790, 5792, 7240, 7664, 9050, 9580, 11584, 11975, 14480, 15328, 18100, 19160, 23950, 28960, 30656, 36200, 38320, 47900, 57920, 72400, 76640, 86699, 95800, 144800, 153280, 173398, 191600, 289600, 346796, 383200, 433495, 693592, 766400, 866990, 1387184, 1733980, 2167475, 2774368, 3467960, 4334950, 5548736, 6935920, 8669900, 13871840, 17339800, 27743680, 34679600, 69359200, 138718400]

約数ペア:

[(1, 138718400), (2, 69359200), (4, 34679600), (5, 27743680), (8, 17339800), (10, 13871840), (16, 8669900), (20, 6935920), (25, 5548736), (32, 4334950), (40, 3467960), (50, 2774368), (64, 2167475), (80, 1733980), (100, 1387184), (160, 866990), (181, 766400), (200, 693592), (320, 433495), (362, 383200), (400, 346796), (479, 289600), (724, 191600), (800, 173398), (905, 153280), (958, 144800), (1448, 95800), (1600, 86699), (1810, 76640), (1916, 72400), (2395, 57920), (2896, 47900), (3620, 38320), (3832, 36200), (4525, 30656), (4790, 28960), (5792, 23950), (7240, 19160), (7664, 18100), (9050, 15328), (9580, 14480), (11584, 11975)]