1249156940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{8369}}^1$

素因数の和:8834

約数の個数: 48

約数和(自身を含む): 2784196800

約数和(自身を除く): 1535039860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1756, 2195, 4390, 7463, 8369, 8780, 14926, 16738, 29852, 33476, 37315, 41845, 74630, 83690, 142273, 149260, 167380, 284546, 569092, 711365, 1422730, 2845460, 3673991, 7347982, 14695964, 18369955, 36739910, 62457847, 73479820, 124915694, 249831388, 312289235, 624578470, 1249156940]

約数ペア:

[(1, 1249156940), (2, 624578470), (4, 312289235), (5, 249831388), (10, 124915694), (17, 73479820), (20, 62457847), (34, 36739910), (68, 18369955), (85, 14695964), (170, 7347982), (340, 3673991), (439, 2845460), (878, 1422730), (1756, 711365), (2195, 569092), (4390, 284546), (7463, 167380), (8369, 149260), (8780, 142273), (14926, 83690), (16738, 74630), (29852, 41845), (33476, 37315)]