19613902525

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{769}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 28996894080

約数和(自身を除く): 9382991555

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 443, 769, 1175, 1225, 1645, 2215, 2303, 3101, 3845, 5383, 8225, 11075, 11515, 15505, 19225, 20821, 21707, 26915, 36143, 37681, 57575, 77525, 104105, 108535, 134575, 145747, 180715, 188405, 253001, 340667, 520525, 542675, 728735, 903575, 942025, 1020229, 1265005, 1703335, 1771007, 2384669, 3643675, 5101145, 6325025, 8516675, 8855035, 11923345, 16011349, 16692683, 25505725, 44275175, 59616725, 80056745, 83463415, 112079443, 400283725, 417317075, 560397215, 784556101, 2801986075, 3922780505, 19613902525]

約数ペア:

[(1, 19613902525), (5, 3922780505), (7, 2801986075), (25, 784556101), (35, 560397215), (47, 417317075), (49, 400283725), (175, 112079443), (235, 83463415), (245, 80056745), (329, 59616725), (443, 44275175), (769, 25505725), (1175, 16692683), (1225, 16011349), (1645, 11923345), (2215, 8855035), (2303, 8516675), (3101, 6325025), (3845, 5101145), (5383, 3643675), (8225, 2384669), (11075, 1771007), (11515, 1703335), (15505, 1265005), (19225, 1020229), (20821, 942025), (21707, 903575), (26915, 728735), (36143, 542675), (37681, 520525), (57575, 340667), (77525, 253001), (104105, 188405), (108535, 180715), (134575, 145747)]