138237440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4909}}^1$

素因数の和:4943

約数の個数: 80

約数和(自身を含む): 361650960

約数和(自身を除く): 223413520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 4909, 5632, 7040, 9818, 14080, 19636, 24545, 28160, 39272, 49090, 53999, 78544, 98180, 107998, 157088, 196360, 215996, 269995, 314176, 392720, 431992, 539990, 628352, 785440, 863984, 1079980, 1256704, 1570880, 1727968, 2159960, 2513408, 3141760, 3455936, 4319920, 6283520, 6911872, 8639840, 12567040, 13823744, 17279680, 27647488, 34559360, 69118720, 138237440]

約数ペア:

[(1, 138237440), (2, 69118720), (4, 34559360), (5, 27647488), (8, 17279680), (10, 13823744), (11, 12567040), (16, 8639840), (20, 6911872), (22, 6283520), (32, 4319920), (40, 3455936), (44, 3141760), (55, 2513408), (64, 2159960), (80, 1727968), (88, 1570880), (110, 1256704), (128, 1079980), (160, 863984), (176, 785440), (220, 628352), (256, 539990), (320, 431992), (352, 392720), (440, 314176), (512, 269995), (640, 215996), (704, 196360), (880, 157088), (1280, 107998), (1408, 98180), (1760, 78544), (2560, 53999), (2816, 49090), (3520, 39272), (4909, 28160), (5632, 24545), (7040, 19636), (9818, 14080)]