208142480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28591}}^1$

素因数の和:28624

約数の個数: 80

約数和(自身を含む): 595628544

約数和(自身を除く): 387486064

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 28591, 57182, 114364, 142955, 200137, 228728, 285910, 371683, 400274, 457456, 571820, 743366, 800548, 1000685, 1143640, 1486732, 1601096, 1858415, 2001370, 2287280, 2601781, 2973464, 3202192, 3716830, 4002740, 5203562, 5946928, 7433660, 8005480, 10407124, 13008905, 14867320, 16010960, 20814248, 26017810, 29734640, 41628496, 52035620, 104071240, 208142480]

約数ペア:

[(1, 208142480), (2, 104071240), (4, 52035620), (5, 41628496), (7, 29734640), (8, 26017810), (10, 20814248), (13, 16010960), (14, 14867320), (16, 13008905), (20, 10407124), (26, 8005480), (28, 7433660), (35, 5946928), (40, 5203562), (52, 4002740), (56, 3716830), (65, 3202192), (70, 2973464), (80, 2601781), (91, 2287280), (104, 2001370), (112, 1858415), (130, 1601096), (140, 1486732), (182, 1143640), (208, 1000685), (260, 800548), (280, 743366), (364, 571820), (455, 457456), (520, 400274), (560, 371683), (728, 285910), (910, 228728), (1040, 200137), (1456, 142955), (1820, 114364), (3640, 57182), (7280, 28591)]