201771250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 403070976

約数和(自身を除く): 201299726

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 125, 127, 155, 205, 250, 254, 310, 410, 625, 635, 775, 1025, 1250, 1270, 1271, 1550, 2050, 2542, 3175, 3875, 3937, 5125, 5207, 6350, 6355, 7750, 7874, 10250, 10414, 12710, 15875, 19375, 19685, 25625, 26035, 31750, 31775, 38750, 39370, 51250, 52070, 63550, 79375, 98425, 130175, 158750, 158875, 161417, 196850, 260350, 317750, 322834, 492125, 650875, 794375, 807085, 984250, 1301750, 1588750, 1614170, 2460625, 3254375, 4035425, 4921250, 6508750, 8070850, 20177125, 40354250, 100885625, 201771250]

約数ペア:

[(1, 201771250), (2, 100885625), (5, 40354250), (10, 20177125), (25, 8070850), (31, 6508750), (41, 4921250), (50, 4035425), (62, 3254375), (82, 2460625), (125, 1614170), (127, 1588750), (155, 1301750), (205, 984250), (250, 807085), (254, 794375), (310, 650875), (410, 492125), (625, 322834), (635, 317750), (775, 260350), (1025, 196850), (1250, 161417), (1270, 158875), (1271, 158750), (1550, 130175), (2050, 98425), (2542, 79375), (3175, 63550), (3875, 52070), (3937, 51250), (5125, 39370), (5207, 38750), (6350, 31775), (6355, 31750), (7750, 26035), (7874, 25625), (10250, 19685), (10414, 19375), (12710, 15875)]