128973950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11887}}^1$

素因数の和:11937

約数の個数: 48

約数和(自身を含む): 283029504

約数和(自身を除く): 154055554

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 2170, 5425, 10850, 11887, 23774, 59435, 83209, 118870, 166418, 297175, 368497, 416045, 594350, 736994, 832090, 1842485, 2080225, 2579479, 3684970, 4160450, 5158958, 9212425, 12897395, 18424850, 25794790, 64486975, 128973950]

約数ペア:

[(1, 128973950), (2, 64486975), (5, 25794790), (7, 18424850), (10, 12897395), (14, 9212425), (25, 5158958), (31, 4160450), (35, 3684970), (50, 2579479), (62, 2080225), (70, 1842485), (155, 832090), (175, 736994), (217, 594350), (310, 416045), (350, 368497), (434, 297175), (775, 166418), (1085, 118870), (1550, 83209), (2170, 59435), (5425, 23774), (10850, 11887)]