29745940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 73543680

約数和(自身を除く): 43797740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 239, 245, 254, 478, 490, 508, 635, 889, 956, 980, 1195, 1270, 1673, 1778, 2390, 2540, 3346, 3556, 4445, 4780, 6223, 6692, 8365, 8890, 11711, 12446, 16730, 17780, 23422, 24892, 30353, 31115, 33460, 46844, 58555, 60706, 62230, 117110, 121412, 124460, 151765, 212471, 234220, 303530, 424942, 607060, 849884, 1062355, 1487297, 2124710, 2974594, 4249420, 5949188, 7436485, 14872970, 29745940]

約数ペア:

[(1, 29745940), (2, 14872970), (4, 7436485), (5, 5949188), (7, 4249420), (10, 2974594), (14, 2124710), (20, 1487297), (28, 1062355), (35, 849884), (49, 607060), (70, 424942), (98, 303530), (127, 234220), (140, 212471), (196, 151765), (239, 124460), (245, 121412), (254, 117110), (478, 62230), (490, 60706), (508, 58555), (635, 46844), (889, 33460), (956, 31115), (980, 30353), (1195, 24892), (1270, 23422), (1673, 17780), (1778, 16730), (2390, 12446), (2540, 11711), (3346, 8890), (3556, 8365), (4445, 6692), (4780, 6223)]