31030300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 77918624

約数和(自身を除く): 46888324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 350, 388, 457, 485, 679, 700, 914, 970, 1358, 1828, 1940, 2285, 2425, 2716, 3199, 3395, 4570, 4850, 6398, 6790, 9140, 9700, 11425, 12796, 13580, 15995, 16975, 22850, 31990, 33950, 44329, 45700, 63980, 67900, 79975, 88658, 159950, 177316, 221645, 310303, 319900, 443290, 620606, 886580, 1108225, 1241212, 1551515, 2216450, 3103030, 4432900, 6206060, 7757575, 15515150, 31030300]

約数ペア:

[(1, 31030300), (2, 15515150), (4, 7757575), (5, 6206060), (7, 4432900), (10, 3103030), (14, 2216450), (20, 1551515), (25, 1241212), (28, 1108225), (35, 886580), (50, 620606), (70, 443290), (97, 319900), (100, 310303), (140, 221645), (175, 177316), (194, 159950), (350, 88658), (388, 79975), (457, 67900), (485, 63980), (679, 45700), (700, 44329), (914, 33950), (970, 31990), (1358, 22850), (1828, 16975), (1940, 15995), (2285, 13580), (2425, 12796), (2716, 11425), (3199, 9700), (3395, 9140), (4570, 6790), (4850, 6398)]