28109250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 84579768

約数和(自身を除く): 56470518

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 117, 125, 130, 150, 155, 186, 195, 225, 234, 250, 279, 310, 325, 375, 390, 403, 450, 465, 558, 585, 650, 750, 775, 806, 930, 961, 975, 1125, 1170, 1209, 1395, 1550, 1625, 1922, 1950, 2015, 2250, 2325, 2418, 2790, 2883, 2925, 3250, 3627, 3875, 4030, 4650, 4805, 4875, 5766, 5850, 6045, 6975, 7254, 7750, 8649, 9610, 9750, 10075, 11625, 12090, 12493, 13950, 14415, 14625, 17298, 18135, 20150, 23250, 24025, 24986, 28830, 29250, 30225, 34875, 36270, 37479, 43245, 48050, 50375, 60450, 62465, 69750, 72075, 74958, 86490, 90675, 100750, 112437, 120125, 124930, 144150, 151125, 181350, 187395, 216225, 224874, 240250, 302250, 312325, 360375, 374790, 432450, 453375, 562185, 624650, 720750, 906750, 936975, 1081125, 1124370, 1561625, 1873950, 2162250, 2810925, 3123250, 4684875, 5621850, 9369750, 14054625, 28109250]

約数ペア:

[(1, 28109250), (2, 14054625), (3, 9369750), (5, 5621850), (6, 4684875), (9, 3123250), (10, 2810925), (13, 2162250), (15, 1873950), (18, 1561625), (25, 1124370), (26, 1081125), (30, 936975), (31, 906750), (39, 720750), (45, 624650), (50, 562185), (62, 453375), (65, 432450), (75, 374790), (78, 360375), (90, 312325), (93, 302250), (117, 240250), (125, 224874), (130, 216225), (150, 187395), (155, 181350), (186, 151125), (195, 144150), (225, 124930), (234, 120125), (250, 112437), (279, 100750), (310, 90675), (325, 86490), (375, 74958), (390, 72075), (403, 69750), (450, 62465), (465, 60450), (558, 50375), (585, 48050), (650, 43245), (750, 37479), (775, 36270), (806, 34875), (930, 30225), (961, 29250), (975, 28830), (1125, 24986), (1170, 24025), (1209, 23250), (1395, 20150), (1550, 18135), (1625, 17298), (1922, 14625), (1950, 14415), (2015, 13950), (2250, 12493), (2325, 12090), (2418, 11625), (2790, 10075), (2883, 9750), (2925, 9610), (3250, 8649), (3627, 7750), (3875, 7254), (4030, 6975), (4650, 6045), (4805, 5850), (4875, 5766)]