28578200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 77004000

約数和(自身を除く): 48425800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 137, 140, 149, 175, 200, 274, 280, 298, 350, 548, 596, 685, 700, 745, 959, 1043, 1096, 1192, 1370, 1400, 1490, 1918, 2086, 2740, 2980, 3425, 3725, 3836, 4172, 4795, 5215, 5480, 5960, 6850, 7450, 7672, 8344, 9590, 10430, 13700, 14900, 19180, 20413, 20860, 23975, 26075, 27400, 29800, 38360, 40826, 41720, 47950, 52150, 81652, 95900, 102065, 104300, 142891, 163304, 191800, 204130, 208600, 285782, 408260, 510325, 571564, 714455, 816520, 1020650, 1143128, 1428910, 2041300, 2857820, 3572275, 4082600, 5715640, 7144550, 14289100, 28578200]

約数ペア:

[(1, 28578200), (2, 14289100), (4, 7144550), (5, 5715640), (7, 4082600), (8, 3572275), (10, 2857820), (14, 2041300), (20, 1428910), (25, 1143128), (28, 1020650), (35, 816520), (40, 714455), (50, 571564), (56, 510325), (70, 408260), (100, 285782), (137, 208600), (140, 204130), (149, 191800), (175, 163304), (200, 142891), (274, 104300), (280, 102065), (298, 95900), (350, 81652), (548, 52150), (596, 47950), (685, 41720), (700, 40826), (745, 38360), (959, 29800), (1043, 27400), (1096, 26075), (1192, 23975), (1370, 20860), (1400, 20413), (1490, 19180), (1918, 14900), (2086, 13700), (2740, 10430), (2980, 9590), (3425, 8344), (3725, 7672), (3836, 7450), (4172, 6850), (4795, 5960), (5215, 5480)]