64437650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 133093044

約数和(自身を除く): 68655394

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 43, 50, 82, 85, 86, 170, 205, 215, 410, 425, 430, 697, 731, 850, 1025, 1075, 1394, 1462, 1763, 1849, 2050, 2150, 3485, 3526, 3655, 3698, 6970, 7310, 8815, 9245, 17425, 17630, 18275, 18490, 29971, 31433, 34850, 36550, 44075, 46225, 59942, 62866, 75809, 88150, 92450, 149855, 151618, 157165, 299710, 314330, 379045, 749275, 758090, 785825, 1288753, 1498550, 1571650, 1895225, 2577506, 3790450, 6443765, 12887530, 32218825, 64437650]

約数ペア:

[(1, 64437650), (2, 32218825), (5, 12887530), (10, 6443765), (17, 3790450), (25, 2577506), (34, 1895225), (41, 1571650), (43, 1498550), (50, 1288753), (82, 785825), (85, 758090), (86, 749275), (170, 379045), (205, 314330), (215, 299710), (410, 157165), (425, 151618), (430, 149855), (697, 92450), (731, 88150), (850, 75809), (1025, 62866), (1075, 59942), (1394, 46225), (1462, 44075), (1763, 36550), (1849, 34850), (2050, 31433), (2150, 29971), (3485, 18490), (3526, 18275), (3655, 17630), (3698, 17425), (6970, 9245), (7310, 8815)]