127400

素因数分解:

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

素因数の和:43

約数の個数: 72

約数和(自身を含む): 371070

約数和(自身を除く): 243670

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, 455, 490, 520, 637, 650, 700, 728, 910, 980, 1225, 1274, 1300, 1400, 1820, 1960, 2275, 2450, 2548, 2600, 3185, 3640, 4550, 4900, 5096, 6370, 9100, 9800, 12740, 15925, 18200, 25480, 31850, 63700, 127400]

約数ペア:

[(1, 127400), (2, 63700), (4, 31850), (5, 25480), (7, 18200), (8, 15925), (10, 12740), (13, 9800), (14, 9100), (20, 6370), (25, 5096), (26, 4900), (28, 4550), (35, 3640), (40, 3185), (49, 2600), (50, 2548), (52, 2450), (56, 2275), (65, 1960), (70, 1820), (91, 1400), (98, 1300), (100, 1274), (104, 1225), (130, 980), (140, 910), (175, 728), (182, 700), (196, 650), (200, 637), (245, 520), (260, 490), (280, 455), (325, 392), (350, 364)]