284213720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{145007}}^1$

素因数の和:145032

約数の個数: 48

約数和(自身を含む): 743891040

約数和(自身を除く): 459677320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 145007, 290014, 580028, 725035, 1015049, 1160056, 1450070, 2030098, 2900140, 4060196, 5075245, 5800280, 7105343, 8120392, 10150490, 14210686, 20300980, 28421372, 35526715, 40601960, 56842744, 71053430, 142106860, 284213720]

約数ペア:

[(1, 284213720), (2, 142106860), (4, 71053430), (5, 56842744), (7, 40601960), (8, 35526715), (10, 28421372), (14, 20300980), (20, 14210686), (28, 10150490), (35, 8120392), (40, 7105343), (49, 5800280), (56, 5075245), (70, 4060196), (98, 2900140), (140, 2030098), (196, 1450070), (245, 1160056), (280, 1015049), (392, 725035), (490, 580028), (980, 290014), (1960, 145007)]