78843100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 197015168

約数和(自身を除く): 118172068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 163, 175, 326, 350, 652, 691, 700, 815, 1141, 1382, 1630, 2282, 2764, 3260, 3455, 4075, 4564, 4837, 5705, 6910, 8150, 9674, 11410, 13820, 16300, 17275, 19348, 22820, 24185, 28525, 34550, 48370, 57050, 69100, 96740, 112633, 114100, 120925, 225266, 241850, 450532, 483700, 563165, 788431, 1126330, 1576862, 2252660, 2815825, 3153724, 3942155, 5631650, 7884310, 11263300, 15768620, 19710775, 39421550, 78843100]

約数ペア:

[(1, 78843100), (2, 39421550), (4, 19710775), (5, 15768620), (7, 11263300), (10, 7884310), (14, 5631650), (20, 3942155), (25, 3153724), (28, 2815825), (35, 2252660), (50, 1576862), (70, 1126330), (100, 788431), (140, 563165), (163, 483700), (175, 450532), (326, 241850), (350, 225266), (652, 120925), (691, 114100), (700, 112633), (815, 96740), (1141, 69100), (1382, 57050), (1630, 48370), (2282, 34550), (2764, 28525), (3260, 24185), (3455, 22820), (4075, 19348), (4564, 17275), (4837, 16300), (5705, 13820), (6910, 11410), (8150, 9674)]