138046400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 126

約数和(自身を含む): 359999280

約数和(自身を除く): 221952880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 239, 304, 320, 361, 380, 400, 475, 478, 608, 722, 760, 800, 950, 956, 1195, 1216, 1444, 1520, 1600, 1805, 1900, 1912, 2390, 2888, 3040, 3610, 3800, 3824, 4541, 4780, 5776, 5975, 6080, 7220, 7600, 7648, 9025, 9082, 9560, 11552, 11950, 14440, 15200, 15296, 18050, 18164, 19120, 22705, 23104, 23900, 28880, 30400, 36100, 36328, 38240, 45410, 47800, 57760, 72200, 72656, 76480, 86279, 90820, 95600, 113525, 115520, 144400, 145312, 172558, 181640, 191200, 227050, 288800, 290624, 345116, 363280, 382400, 431395, 454100, 577600, 690232, 726560, 862790, 908200, 1380464, 1453120, 1725580, 1816400, 2156975, 2760928, 3451160, 3632800, 4313950, 5521856, 6902320, 7265600, 8627900, 13804640, 17255800, 27609280, 34511600, 69023200, 138046400]

約数ペア:

[(1, 138046400), (2, 69023200), (4, 34511600), (5, 27609280), (8, 17255800), (10, 13804640), (16, 8627900), (19, 7265600), (20, 6902320), (25, 5521856), (32, 4313950), (38, 3632800), (40, 3451160), (50, 2760928), (64, 2156975), (76, 1816400), (80, 1725580), (95, 1453120), (100, 1380464), (152, 908200), (160, 862790), (190, 726560), (200, 690232), (239, 577600), (304, 454100), (320, 431395), (361, 382400), (380, 363280), (400, 345116), (475, 290624), (478, 288800), (608, 227050), (722, 191200), (760, 181640), (800, 172558), (950, 145312), (956, 144400), (1195, 115520), (1216, 113525), (1444, 95600), (1520, 90820), (1600, 86279), (1805, 76480), (1900, 72656), (1912, 72200), (2390, 57760), (2888, 47800), (3040, 45410), (3610, 38240), (3800, 36328), (3824, 36100), (4541, 30400), (4780, 28880), (5776, 23900), (5975, 23104), (6080, 22705), (7220, 19120), (7600, 18164), (7648, 18050), (9025, 15296), (9082, 15200), (9560, 14440), (11552, 11950)]