211519980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{167873}}^1$

素因数の和:167895

約数の個数: 72

約数和(自身を含む): 733273632

約数和(自身を除く): 521753652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 167873, 335746, 503619, 671492, 839365, 1007238, 1175111, 1510857, 1678730, 2014476, 2350222, 2518095, 3021714, 3357460, 3525333, 4700444, 5036190, 5875555, 6043428, 7050666, 7554285, 10072380, 10575999, 11751110, 14101332, 15108570, 17626665, 21151998, 23502220, 30217140, 35253330, 42303996, 52879995, 70506660, 105759990, 211519980]

約数ペア:

[(1, 211519980), (2, 105759990), (3, 70506660), (4, 52879995), (5, 42303996), (6, 35253330), (7, 30217140), (9, 23502220), (10, 21151998), (12, 17626665), (14, 15108570), (15, 14101332), (18, 11751110), (20, 10575999), (21, 10072380), (28, 7554285), (30, 7050666), (35, 6043428), (36, 5875555), (42, 5036190), (45, 4700444), (60, 3525333), (63, 3357460), (70, 3021714), (84, 2518095), (90, 2350222), (105, 2014476), (126, 1678730), (140, 1510857), (180, 1175111), (210, 1007238), (252, 839365), (315, 671492), (420, 503619), (630, 335746), (1260, 167873)]