28986700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^3\times {\mathrm{59}}^1$

素因数の和:124

約数の個数: 72

約数和(自身を含む): 67964400

約数和(自身を除く): 38977700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 59, 68, 85, 100, 118, 170, 236, 289, 295, 340, 425, 578, 590, 850, 1003, 1156, 1180, 1445, 1475, 1700, 2006, 2890, 2950, 4012, 4913, 5015, 5780, 5900, 7225, 9826, 10030, 14450, 17051, 19652, 20060, 24565, 25075, 28900, 34102, 49130, 50150, 68204, 85255, 98260, 100300, 122825, 170510, 245650, 289867, 341020, 426275, 491300, 579734, 852550, 1159468, 1449335, 1705100, 2898670, 5797340, 7246675, 14493350, 28986700]

約数ペア:

[(1, 28986700), (2, 14493350), (4, 7246675), (5, 5797340), (10, 2898670), (17, 1705100), (20, 1449335), (25, 1159468), (34, 852550), (50, 579734), (59, 491300), (68, 426275), (85, 341020), (100, 289867), (118, 245650), (170, 170510), (236, 122825), (289, 100300), (295, 98260), (340, 85255), (425, 68204), (578, 50150), (590, 49130), (850, 34102), (1003, 28900), (1156, 25075), (1180, 24565), (1445, 20060), (1475, 19652), (1700, 17051), (2006, 14450), (2890, 10030), (2950, 9826), (4012, 7225), (4913, 5900), (5015, 5780)]