213943300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 494358984

約数和(自身を除く): 280415684

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 317, 340, 397, 425, 634, 794, 850, 1268, 1585, 1588, 1700, 1985, 3170, 3970, 5389, 6340, 6749, 7925, 7940, 9925, 10778, 13498, 15850, 19850, 21556, 26945, 26996, 31700, 33745, 39700, 53890, 67490, 107780, 125849, 134725, 134980, 168725, 251698, 269450, 337450, 503396, 538900, 629245, 674900, 1258490, 2139433, 2516980, 3146225, 4278866, 6292450, 8557732, 10697165, 12584900, 21394330, 42788660, 53485825, 106971650, 213943300]

約数ペア:

[(1, 213943300), (2, 106971650), (4, 53485825), (5, 42788660), (10, 21394330), (17, 12584900), (20, 10697165), (25, 8557732), (34, 6292450), (50, 4278866), (68, 3146225), (85, 2516980), (100, 2139433), (170, 1258490), (317, 674900), (340, 629245), (397, 538900), (425, 503396), (634, 337450), (794, 269450), (850, 251698), (1268, 168725), (1585, 134980), (1588, 134725), (1700, 125849), (1985, 107780), (3170, 67490), (3970, 53890), (5389, 39700), (6340, 33745), (6749, 31700), (7925, 26996), (7940, 26945), (9925, 21556), (10778, 19850), (13498, 15850)]