51087400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 149170140

約数和(自身を除く): 98082740

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 325, 350, 364, 392, 401, 455, 490, 520, 637, 650, 700, 728, 802, 910, 980, 1225, 1274, 1300, 1400, 1604, 1820, 1960, 2005, 2275, 2450, 2548, 2600, 2807, 3185, 3208, 3640, 4010, 4550, 4900, 5096, 5213, 5614, 6370, 8020, 9100, 9800, 10025, 10426, 11228, 12740, 14035, 15925, 16040, 18200, 19649, 20050, 20852, 22456, 25480, 26065, 28070, 31850, 36491, 39298, 40100, 41704, 52130, 56140, 63700, 70175, 72982, 78596, 80200, 98245, 104260, 112280, 127400, 130325, 140350, 145964, 157192, 182455, 196490, 208520, 255437, 260650, 280700, 291928, 364910, 392980, 491225, 510874, 521300, 561400, 729820, 785960, 912275, 982450, 1021748, 1042600, 1277185, 1459640, 1824550, 1964900, 2043496, 2554370, 3649100, 3929800, 5108740, 6385925, 7298200, 10217480, 12771850, 25543700, 51087400]

約数ペア:

[(1, 51087400), (2, 25543700), (4, 12771850), (5, 10217480), (7, 7298200), (8, 6385925), (10, 5108740), (13, 3929800), (14, 3649100), (20, 2554370), (25, 2043496), (26, 1964900), (28, 1824550), (35, 1459640), (40, 1277185), (49, 1042600), (50, 1021748), (52, 982450), (56, 912275), (65, 785960), (70, 729820), (91, 561400), (98, 521300), (100, 510874), (104, 491225), (130, 392980), (140, 364910), (175, 291928), (182, 280700), (196, 260650), (200, 255437), (245, 208520), (260, 196490), (280, 182455), (325, 157192), (350, 145964), (364, 140350), (392, 130325), (401, 127400), (455, 112280), (490, 104260), (520, 98245), (637, 80200), (650, 78596), (700, 72982), (728, 70175), (802, 63700), (910, 56140), (980, 52130), (1225, 41704), (1274, 40100), (1300, 39298), (1400, 36491), (1604, 31850), (1820, 28070), (1960, 26065), (2005, 25480), (2275, 22456), (2450, 20852), (2548, 20050), (2600, 19649), (2807, 18200), (3185, 16040), (3208, 15925), (3640, 14035), (4010, 12740), (4550, 11228), (4900, 10426), (5096, 10025), (5213, 9800), (5614, 9100), (6370, 8020)]