177534420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{422701}}^1$

素因数の和:422720

約数の個数: 48

約数和(自身を含む): 568111488

約数和(自身を除く): 390577068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 422701, 845402, 1268103, 1690804, 2113505, 2536206, 2958907, 4227010, 5072412, 5917814, 6340515, 8454020, 8876721, 11835628, 12681030, 14794535, 17753442, 25362060, 29589070, 35506884, 44383605, 59178140, 88767210, 177534420]

約数ペア:

[(1, 177534420), (2, 88767210), (3, 59178140), (4, 44383605), (5, 35506884), (6, 29589070), (7, 25362060), (10, 17753442), (12, 14794535), (14, 12681030), (15, 11835628), (20, 8876721), (21, 8454020), (28, 6340515), (30, 5917814), (35, 5072412), (42, 4227010), (60, 2958907), (70, 2536206), (84, 2113505), (105, 1690804), (140, 1268103), (210, 845402), (420, 422701)]