408036475

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 650369088

約数和(自身を除く): 242332613

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 107, 175, 245, 275, 283, 385, 535, 539, 749, 1177, 1225, 1415, 1925, 1981, 2675, 2695, 3113, 3745, 5243, 5885, 7075, 8239, 9905, 13475, 13867, 15565, 18725, 21791, 26215, 29425, 30281, 41195, 49525, 57673, 69335, 77825, 108955, 131075, 151405, 152537, 205975, 211967, 288365, 333091, 346675, 544775, 757025, 762685, 1059835, 1441825, 1483769, 1665455, 2331637, 3813425, 5299175, 7418845, 8327275, 11658185, 16321459, 37094225, 58290925, 81607295, 408036475]

約数ペア:

[(1, 408036475), (5, 81607295), (7, 58290925), (11, 37094225), (25, 16321459), (35, 11658185), (49, 8327275), (55, 7418845), (77, 5299175), (107, 3813425), (175, 2331637), (245, 1665455), (275, 1483769), (283, 1441825), (385, 1059835), (535, 762685), (539, 757025), (749, 544775), (1177, 346675), (1225, 333091), (1415, 288365), (1925, 211967), (1981, 205975), (2675, 152537), (2695, 151405), (3113, 131075), (3745, 108955), (5243, 77825), (5885, 69335), (7075, 57673), (8239, 49525), (9905, 41195), (13475, 30281), (13867, 29425), (15565, 26215), (18725, 21791)]