47940620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 130310208

約数和(自身を除く): 82369588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 53, 65, 70, 71, 91, 98, 106, 130, 140, 142, 182, 196, 212, 245, 260, 265, 284, 355, 364, 371, 455, 490, 497, 530, 637, 689, 710, 742, 910, 923, 980, 994, 1060, 1274, 1378, 1420, 1484, 1820, 1846, 1855, 1988, 2485, 2548, 2597, 2756, 3185, 3445, 3479, 3692, 3710, 3763, 4615, 4823, 4970, 5194, 6370, 6461, 6890, 6958, 7420, 7526, 9230, 9646, 9940, 10388, 12740, 12922, 12985, 13780, 13916, 15052, 17395, 18460, 18815, 19292, 24115, 25844, 25970, 26341, 32305, 33761, 34790, 37630, 45227, 48230, 48919, 51940, 52682, 64610, 67522, 69580, 75260, 90454, 96460, 97838, 105364, 129220, 131705, 135044, 168805, 180908, 184387, 195676, 226135, 244595, 263410, 337610, 342433, 368774, 452270, 489190, 526820, 675220, 684866, 737548, 904540, 921935, 978380, 1369732, 1712165, 1843870, 2397031, 3424330, 3687740, 4794062, 6848660, 9588124, 11985155, 23970310, 47940620]

約数ペア:

[(1, 47940620), (2, 23970310), (4, 11985155), (5, 9588124), (7, 6848660), (10, 4794062), (13, 3687740), (14, 3424330), (20, 2397031), (26, 1843870), (28, 1712165), (35, 1369732), (49, 978380), (52, 921935), (53, 904540), (65, 737548), (70, 684866), (71, 675220), (91, 526820), (98, 489190), (106, 452270), (130, 368774), (140, 342433), (142, 337610), (182, 263410), (196, 244595), (212, 226135), (245, 195676), (260, 184387), (265, 180908), (284, 168805), (355, 135044), (364, 131705), (371, 129220), (455, 105364), (490, 97838), (497, 96460), (530, 90454), (637, 75260), (689, 69580), (710, 67522), (742, 64610), (910, 52682), (923, 51940), (980, 48919), (994, 48230), (1060, 45227), (1274, 37630), (1378, 34790), (1420, 33761), (1484, 32305), (1820, 26341), (1846, 25970), (1855, 25844), (1988, 24115), (2485, 19292), (2548, 18815), (2597, 18460), (2756, 17395), (3185, 15052), (3445, 13916), (3479, 13780), (3692, 12985), (3710, 12922), (3763, 12740), (4615, 10388), (4823, 9940), (4970, 9646), (5194, 9230), (6370, 7526), (6461, 7420), (6890, 6958)]