69013750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 144853632

約数和(自身を除く): 75839882

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 137, 155, 250, 274, 310, 325, 403, 625, 650, 685, 775, 806, 1250, 1370, 1550, 1625, 1781, 2015, 3250, 3425, 3562, 3875, 4030, 4247, 6850, 7750, 8125, 8494, 8905, 10075, 16250, 17125, 17810, 19375, 20150, 21235, 34250, 38750, 42470, 44525, 50375, 55211, 85625, 89050, 100750, 106175, 110422, 171250, 212350, 222625, 251875, 276055, 445250, 503750, 530875, 552110, 1061750, 1113125, 1380275, 2226250, 2654375, 2760550, 5308750, 6901375, 13802750, 34506875, 69013750]

約数ペア:

[(1, 69013750), (2, 34506875), (5, 13802750), (10, 6901375), (13, 5308750), (25, 2760550), (26, 2654375), (31, 2226250), (50, 1380275), (62, 1113125), (65, 1061750), (125, 552110), (130, 530875), (137, 503750), (155, 445250), (250, 276055), (274, 251875), (310, 222625), (325, 212350), (403, 171250), (625, 110422), (650, 106175), (685, 100750), (775, 89050), (806, 85625), (1250, 55211), (1370, 50375), (1550, 44525), (1625, 42470), (1781, 38750), (2015, 34250), (3250, 21235), (3425, 20150), (3562, 19375), (3875, 17810), (4030, 17125), (4247, 16250), (6850, 10075), (7750, 8905), (8125, 8494)]