4249420

素因数分解:

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

素因数の和:382

約数の個数: 48

約数和(自身を含む): 10321920

約数和(自身を除く): 6072500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 239, 254, 478, 508, 635, 889, 956, 1195, 1270, 1673, 1778, 2390, 2540, 3346, 3556, 4445, 4780, 6692, 8365, 8890, 16730, 17780, 30353, 33460, 60706, 121412, 151765, 212471, 303530, 424942, 607060, 849884, 1062355, 2124710, 4249420]

約数ペア:

[(1, 4249420), (2, 2124710), (4, 1062355), (5, 849884), (7, 607060), (10, 424942), (14, 303530), (20, 212471), (28, 151765), (35, 121412), (70, 60706), (127, 33460), (140, 30353), (239, 17780), (254, 16730), (478, 8890), (508, 8365), (635, 6692), (889, 4780), (956, 4445), (1195, 3556), (1270, 3346), (1673, 2540), (1778, 2390)]