128983820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5147}}^1$

素因数の和:5342

約数の個数: 48

約数和(自身を含む): 311351040

約数和(自身を除く): 182367220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 5147, 6265, 10294, 12530, 20588, 25060, 25735, 36029, 51470, 72058, 102940, 144116, 180145, 360290, 720580, 921313, 1842626, 3685252, 4606565, 6449191, 9213130, 12898382, 18426260, 25796764, 32245955, 64491910, 128983820]

約数ペア:

[(1, 128983820), (2, 64491910), (4, 32245955), (5, 25796764), (7, 18426260), (10, 12898382), (14, 9213130), (20, 6449191), (28, 4606565), (35, 3685252), (70, 1842626), (140, 921313), (179, 720580), (358, 360290), (716, 180145), (895, 144116), (1253, 102940), (1790, 72058), (2506, 51470), (3580, 36029), (5012, 25735), (5147, 25060), (6265, 20588), (10294, 12530)]