201985980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{480919}}^1$

素因数の和:480938

約数の個数: 48

約数和(自身を含む): 646356480

約数和(自身を除く): 444370500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 480919, 961838, 1442757, 1923676, 2404595, 2885514, 3366433, 4809190, 5771028, 6732866, 7213785, 9618380, 10099299, 13465732, 14427570, 16832165, 20198598, 28855140, 33664330, 40397196, 50496495, 67328660, 100992990, 201985980]

約数ペア:

[(1, 201985980), (2, 100992990), (3, 67328660), (4, 50496495), (5, 40397196), (6, 33664330), (7, 28855140), (10, 20198598), (12, 16832165), (14, 14427570), (15, 13465732), (20, 10099299), (21, 9618380), (28, 7213785), (30, 6732866), (35, 5771028), (42, 4809190), (60, 3366433), (70, 2885514), (84, 2404595), (105, 1923676), (140, 1442757), (210, 961838), (420, 480919)]