641800150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20407}}^1$

素因数の和:20473

約数の個数: 48

約数和(自身を含む): 1298193696

約数和(自身を除く): 656393546

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 170, 185, 370, 425, 629, 850, 925, 1258, 1850, 3145, 6290, 15725, 20407, 31450, 40814, 102035, 204070, 346919, 510175, 693838, 755059, 1020350, 1510118, 1734595, 3469190, 3775295, 7550590, 8672975, 12836003, 17345950, 18876475, 25672006, 37752950, 64180015, 128360030, 320900075, 641800150]

約数ペア:

[(1, 641800150), (2, 320900075), (5, 128360030), (10, 64180015), (17, 37752950), (25, 25672006), (34, 18876475), (37, 17345950), (50, 12836003), (74, 8672975), (85, 7550590), (170, 3775295), (185, 3469190), (370, 1734595), (425, 1510118), (629, 1020350), (850, 755059), (925, 693838), (1258, 510175), (1850, 346919), (3145, 204070), (6290, 102035), (15725, 40814), (20407, 31450)]