31270250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 65100672

約数和(自身を除く): 33830422

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 83, 110, 125, 137, 166, 250, 274, 275, 415, 550, 685, 830, 913, 1370, 1375, 1507, 1826, 2075, 2750, 3014, 3425, 4150, 4565, 6850, 7535, 9130, 10375, 11371, 15070, 17125, 20750, 22742, 22825, 34250, 37675, 45650, 56855, 75350, 113710, 114125, 125081, 188375, 228250, 250162, 284275, 376750, 568550, 625405, 1250810, 1421375, 2842750, 3127025, 6254050, 15635125, 31270250]

約数ペア:

[(1, 31270250), (2, 15635125), (5, 6254050), (10, 3127025), (11, 2842750), (22, 1421375), (25, 1250810), (50, 625405), (55, 568550), (83, 376750), (110, 284275), (125, 250162), (137, 228250), (166, 188375), (250, 125081), (274, 114125), (275, 113710), (415, 75350), (550, 56855), (685, 45650), (830, 37675), (913, 34250), (1370, 22825), (1375, 22742), (1507, 20750), (1826, 17125), (2075, 15070), (2750, 11371), (3014, 10375), (3425, 9130), (4150, 7535), (4565, 6850)]