168993400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 411223680

約数和(自身を除く): 242230280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 97, 100, 124, 155, 194, 200, 248, 281, 310, 388, 485, 562, 620, 775, 776, 970, 1124, 1240, 1405, 1550, 1940, 2248, 2425, 2810, 3007, 3100, 3880, 4850, 5620, 6014, 6200, 7025, 8711, 9700, 11240, 12028, 14050, 15035, 17422, 19400, 24056, 27257, 28100, 30070, 34844, 43555, 54514, 56200, 60140, 69688, 75175, 87110, 109028, 120280, 136285, 150350, 174220, 217775, 218056, 272570, 300700, 348440, 435550, 545140, 601400, 681425, 844967, 871100, 1090280, 1362850, 1689934, 1742200, 2725700, 3379868, 4224835, 5451400, 6759736, 8449670, 16899340, 21124175, 33798680, 42248350, 84496700, 168993400]

約数ペア:

[(1, 168993400), (2, 84496700), (4, 42248350), (5, 33798680), (8, 21124175), (10, 16899340), (20, 8449670), (25, 6759736), (31, 5451400), (40, 4224835), (50, 3379868), (62, 2725700), (97, 1742200), (100, 1689934), (124, 1362850), (155, 1090280), (194, 871100), (200, 844967), (248, 681425), (281, 601400), (310, 545140), (388, 435550), (485, 348440), (562, 300700), (620, 272570), (775, 218056), (776, 217775), (970, 174220), (1124, 150350), (1240, 136285), (1405, 120280), (1550, 109028), (1940, 87110), (2248, 75175), (2425, 69688), (2810, 60140), (3007, 56200), (3100, 54514), (3880, 43555), (4850, 34844), (5620, 30070), (6014, 28100), (6200, 27257), (7025, 24056), (8711, 19400), (9700, 17422), (11240, 15035), (12028, 14050)]