127718500

素因数分解:

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

素因数の和:447

約数の個数: 144

約数和(自身を含む): 350309232

約数和(自身を除く): 222590732

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 125, 130, 140, 175, 182, 196, 245, 250, 260, 325, 350, 364, 401, 455, 490, 500, 637, 650, 700, 802, 875, 910, 980, 1225, 1274, 1300, 1604, 1625, 1750, 1820, 2005, 2275, 2450, 2548, 2807, 3185, 3250, 3500, 4010, 4550, 4900, 5213, 5614, 6125, 6370, 6500, 8020, 9100, 10025, 10426, 11228, 11375, 12250, 12740, 14035, 15925, 19649, 20050, 20852, 22750, 24500, 26065, 28070, 31850, 36491, 39298, 40100, 45500, 50125, 52130, 56140, 63700, 70175, 72982, 78596, 79625, 98245, 100250, 104260, 130325, 140350, 145964, 159250, 182455, 196490, 200500, 255437, 260650, 280700, 318500, 350875, 364910, 392980, 491225, 510874, 521300, 651625, 701750, 729820, 912275, 982450, 1021748, 1277185, 1303250, 1403500, 1824550, 1964900, 2456125, 2554370, 2606500, 3649100, 4561375, 4912250, 5108740, 6385925, 9122750, 9824500, 12771850, 18245500, 25543700, 31929625, 63859250, 127718500]

約数ペア:

[(1, 127718500), (2, 63859250), (4, 31929625), (5, 25543700), (7, 18245500), (10, 12771850), (13, 9824500), (14, 9122750), (20, 6385925), (25, 5108740), (26, 4912250), (28, 4561375), (35, 3649100), (49, 2606500), (50, 2554370), (52, 2456125), (65, 1964900), (70, 1824550), (91, 1403500), (98, 1303250), (100, 1277185), (125, 1021748), (130, 982450), (140, 912275), (175, 729820), (182, 701750), (196, 651625), (245, 521300), (250, 510874), (260, 491225), (325, 392980), (350, 364910), (364, 350875), (401, 318500), (455, 280700), (490, 260650), (500, 255437), (637, 200500), (650, 196490), (700, 182455), (802, 159250), (875, 145964), (910, 140350), (980, 130325), (1225, 104260), (1274, 100250), (1300, 98245), (1604, 79625), (1625, 78596), (1750, 72982), (1820, 70175), (2005, 63700), (2275, 56140), (2450, 52130), (2548, 50125), (2807, 45500), (3185, 40100), (3250, 39298), (3500, 36491), (4010, 31850), (4550, 28070), (4900, 26065), (5213, 24500), (5614, 22750), (6125, 20852), (6370, 20050), (6500, 19649), (8020, 15925), (9100, 14035), (10025, 12740), (10426, 12250), (11228, 11375)]