1020346540

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 2165032800

約数和(自身を除く): 1144686260

約数列:

[1, 2, 4, 5, 10, 20, 179, 257, 358, 514, 716, 895, 1028, 1109, 1285, 1790, 2218, 2570, 3580, 4436, 5140, 5545, 11090, 22180, 46003, 92006, 184012, 198511, 230015, 285013, 397022, 460030, 570026, 794044, 920060, 992555, 1140052, 1425065, 1985110, 2850130, 3970220, 5700260, 51017327, 102034654, 204069308, 255086635, 510173270, 1020346540]

約数ペア:

[(1, 1020346540), (2, 510173270), (4, 255086635), (5, 204069308), (10, 102034654), (20, 51017327), (179, 5700260), (257, 3970220), (358, 2850130), (514, 1985110), (716, 1425065), (895, 1140052), (1028, 992555), (1109, 920060), (1285, 794044), (1790, 570026), (2218, 460030), (2570, 397022), (3580, 285013), (4436, 230015), (5140, 198511), (5545, 184012), (11090, 92006), (22180, 46003)]