281330832020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2243}}^1\times {\mathrm{895901}}^1$

素因数の和:898160

約数の個数: 48

約数和(自身を含む): 675495773568

約数和(自身を除く): 394164941548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2243, 4486, 8972, 11215, 15701, 22430, 31402, 44860, 62804, 78505, 157010, 314020, 895901, 1791802, 3583604, 4479505, 6271307, 8959010, 12542614, 17918020, 25085228, 31356535, 62713070, 125426140, 2009505943, 4019011886, 8038023772, 10047529715, 14066541601, 20095059430, 28133083202, 40190118860, 56266166404, 70332708005, 140665416010, 281330832020]

約数ペア:

[(1, 281330832020), (2, 140665416010), (4, 70332708005), (5, 56266166404), (7, 40190118860), (10, 28133083202), (14, 20095059430), (20, 14066541601), (28, 10047529715), (35, 8038023772), (70, 4019011886), (140, 2009505943), (2243, 125426140), (4486, 62713070), (8972, 31356535), (11215, 25085228), (15701, 17918020), (22430, 12542614), (31402, 8959010), (44860, 6271307), (62804, 4479505), (78505, 3583604), (157010, 1791802), (314020, 895901)]