131401900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6473}}^1$

素因数の和:6523

約数の個数: 72

約数和(自身を含む): 337165920

約数和(自身を除く): 205764020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 2030, 2900, 4060, 5075, 6473, 10150, 12946, 20300, 25892, 32365, 45311, 64730, 90622, 129460, 161825, 181244, 187717, 226555, 323650, 375434, 453110, 647300, 750868, 906220, 938585, 1132775, 1314019, 1877170, 2265550, 2628038, 3754340, 4531100, 4692925, 5256076, 6570095, 9385850, 13140190, 18771700, 26280380, 32850475, 65700950, 131401900]

約数ペア:

[(1, 131401900), (2, 65700950), (4, 32850475), (5, 26280380), (7, 18771700), (10, 13140190), (14, 9385850), (20, 6570095), (25, 5256076), (28, 4692925), (29, 4531100), (35, 3754340), (50, 2628038), (58, 2265550), (70, 1877170), (100, 1314019), (116, 1132775), (140, 938585), (145, 906220), (175, 750868), (203, 647300), (290, 453110), (350, 375434), (406, 323650), (580, 226555), (700, 187717), (725, 181244), (812, 161825), (1015, 129460), (1450, 90622), (2030, 64730), (2900, 45311), (4060, 32365), (5075, 25892), (6473, 20300), (10150, 12946)]