145498840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 336908160

約数和(自身を除く): 191409320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 193, 235, 376, 386, 401, 470, 772, 802, 940, 965, 1544, 1604, 1880, 1930, 2005, 3208, 3860, 4010, 7720, 8020, 9071, 16040, 18142, 18847, 36284, 37694, 45355, 72568, 75388, 77393, 90710, 94235, 150776, 154786, 181420, 188470, 309572, 362840, 376940, 386965, 619144, 753880, 773930, 1547860, 3095720, 3637471, 7274942, 14549884, 18187355, 29099768, 36374710, 72749420, 145498840]

約数ペア:

[(1, 145498840), (2, 72749420), (4, 36374710), (5, 29099768), (8, 18187355), (10, 14549884), (20, 7274942), (40, 3637471), (47, 3095720), (94, 1547860), (188, 773930), (193, 753880), (235, 619144), (376, 386965), (386, 376940), (401, 362840), (470, 309572), (772, 188470), (802, 181420), (940, 154786), (965, 150776), (1544, 94235), (1604, 90710), (1880, 77393), (1930, 75388), (2005, 72568), (3208, 45355), (3860, 37694), (4010, 36284), (7720, 18847), (8020, 18142), (9071, 16040)]