28843850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 63760428

約数和(自身を除く): 34916578

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 193, 245, 305, 350, 386, 427, 490, 610, 854, 965, 1225, 1351, 1525, 1930, 2135, 2450, 2702, 2989, 3050, 4270, 4825, 5978, 6755, 9457, 9650, 10675, 11773, 13510, 14945, 18914, 21350, 23546, 29890, 33775, 47285, 58865, 67550, 74725, 82411, 94570, 117730, 149450, 164822, 236425, 294325, 412055, 472850, 576877, 588650, 824110, 1153754, 2060275, 2884385, 4120550, 5768770, 14421925, 28843850]

約数ペア:

[(1, 28843850), (2, 14421925), (5, 5768770), (7, 4120550), (10, 2884385), (14, 2060275), (25, 1153754), (35, 824110), (49, 588650), (50, 576877), (61, 472850), (70, 412055), (98, 294325), (122, 236425), (175, 164822), (193, 149450), (245, 117730), (305, 94570), (350, 82411), (386, 74725), (427, 67550), (490, 58865), (610, 47285), (854, 33775), (965, 29890), (1225, 23546), (1351, 21350), (1525, 18914), (1930, 14945), (2135, 13510), (2450, 11773), (2702, 10675), (2989, 9650), (3050, 9457), (4270, 6755), (4825, 5978)]