7915780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 18002880

約数和(自身を除く): 10087100

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 563, 703, 740, 1126, 1406, 2252, 2812, 2815, 3515, 5630, 7030, 10697, 11260, 14060, 20831, 21394, 41662, 42788, 53485, 83324, 104155, 106970, 208310, 213940, 395789, 416620, 791578, 1583156, 1978945, 3957890, 7915780]

約数ペア:

[(1, 7915780), (2, 3957890), (4, 1978945), (5, 1583156), (10, 791578), (19, 416620), (20, 395789), (37, 213940), (38, 208310), (74, 106970), (76, 104155), (95, 83324), (148, 53485), (185, 42788), (190, 41662), (370, 21394), (380, 20831), (563, 14060), (703, 11260), (740, 10697), (1126, 7030), (1406, 5630), (2252, 3515), (2812, 2815)]