280108010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43973}}^1$

素因数の和:44007

約数の個数: 48

約数和(自身を含む): 631642536

約数和(自身を除く): 351534526

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 43973, 87946, 219865, 307811, 439730, 571649, 615622, 1143298, 1539055, 2154677, 2858245, 3078110, 4001543, 4309354, 5716490, 8003086, 10773385, 20007715, 21546770, 28010801, 40015430, 56021602, 140054005, 280108010]

約数ペア:

[(1, 280108010), (2, 140054005), (5, 56021602), (7, 40015430), (10, 28010801), (13, 21546770), (14, 20007715), (26, 10773385), (35, 8003086), (49, 5716490), (65, 4309354), (70, 4001543), (91, 3078110), (98, 2858245), (130, 2154677), (182, 1539055), (245, 1143298), (455, 615622), (490, 571649), (637, 439730), (910, 307811), (1274, 219865), (3185, 87946), (6370, 43973)]