136390400

素因数分解:

$2^8\times 5^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 108

約数和(自身を含む): 342545784

約数和(自身を除く): 206155384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 128, 160, 200, 202, 211, 256, 320, 400, 404, 422, 505, 640, 800, 808, 844, 1010, 1055, 1280, 1600, 1616, 1688, 2020, 2110, 2525, 3200, 3232, 3376, 4040, 4220, 5050, 5275, 6400, 6464, 6752, 8080, 8440, 10100, 10550, 12928, 13504, 16160, 16880, 20200, 21100, 21311, 25856, 27008, 32320, 33760, 40400, 42200, 42622, 54016, 64640, 67520, 80800, 84400, 85244, 106555, 129280, 135040, 161600, 168800, 170488, 213110, 270080, 323200, 337600, 340976, 426220, 532775, 646400, 675200, 681952, 852440, 1065550, 1350400, 1363904, 1704880, 2131100, 2727808, 3409760, 4262200, 5455616, 6819520, 8524400, 13639040, 17048800, 27278080, 34097600, 68195200, 136390400]

約数ペア:

[(1, 136390400), (2, 68195200), (4, 34097600), (5, 27278080), (8, 17048800), (10, 13639040), (16, 8524400), (20, 6819520), (25, 5455616), (32, 4262200), (40, 3409760), (50, 2727808), (64, 2131100), (80, 1704880), (100, 1363904), (101, 1350400), (128, 1065550), (160, 852440), (200, 681952), (202, 675200), (211, 646400), (256, 532775), (320, 426220), (400, 340976), (404, 337600), (422, 323200), (505, 270080), (640, 213110), (800, 170488), (808, 168800), (844, 161600), (1010, 135040), (1055, 129280), (1280, 106555), (1600, 85244), (1616, 84400), (1688, 80800), (2020, 67520), (2110, 64640), (2525, 54016), (3200, 42622), (3232, 42200), (3376, 40400), (4040, 33760), (4220, 32320), (5050, 27008), (5275, 25856), (6400, 21311), (6464, 21100), (6752, 20200), (8080, 16880), (8440, 16160), (10100, 13504), (10550, 12928)]