78068270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1489}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 165103920

約数和(自身を除く): 87035650

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 107, 214, 245, 490, 535, 749, 1070, 1489, 1498, 2978, 3745, 5243, 7445, 7490, 10423, 10486, 14890, 20846, 26215, 52115, 52430, 72961, 104230, 145922, 159323, 318646, 364805, 729610, 796615, 1115261, 1593230, 2230522, 5576305, 7806827, 11152610, 15613654, 39034135, 78068270]

約数ペア:

[(1, 78068270), (2, 39034135), (5, 15613654), (7, 11152610), (10, 7806827), (14, 5576305), (35, 2230522), (49, 1593230), (70, 1115261), (98, 796615), (107, 729610), (214, 364805), (245, 318646), (490, 159323), (535, 145922), (749, 104230), (1070, 72961), (1489, 52430), (1498, 52115), (2978, 26215), (3745, 20846), (5243, 14890), (7445, 10486), (7490, 10423)]