201955740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1871}}^1$

素因数の和:2147

約数の個数: 96

約数和(自身を含む): 649119744

約数和(自身を除く): 447164004

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, 257, 420, 514, 771, 1028, 1285, 1542, 1799, 1871, 2570, 3084, 3598, 3742, 3855, 5140, 5397, 5613, 7196, 7484, 7710, 8995, 9355, 10794, 11226, 13097, 15420, 17990, 18710, 21588, 22452, 26194, 26985, 28065, 35980, 37420, 39291, 52388, 53970, 56130, 65485, 78582, 107940, 112260, 130970, 157164, 196455, 261940, 392910, 480847, 785820, 961694, 1442541, 1923388, 2404235, 2885082, 3365929, 4808470, 5770164, 6731858, 7212705, 9616940, 10097787, 13463716, 14425410, 16829645, 20195574, 28850820, 33659290, 40391148, 50488935, 67318580, 100977870, 201955740]

約数ペア:

[(1, 201955740), (2, 100977870), (3, 67318580), (4, 50488935), (5, 40391148), (6, 33659290), (7, 28850820), (10, 20195574), (12, 16829645), (14, 14425410), (15, 13463716), (20, 10097787), (21, 9616940), (28, 7212705), (30, 6731858), (35, 5770164), (42, 4808470), (60, 3365929), (70, 2885082), (84, 2404235), (105, 1923388), (140, 1442541), (210, 961694), (257, 785820), (420, 480847), (514, 392910), (771, 261940), (1028, 196455), (1285, 157164), (1542, 130970), (1799, 112260), (1871, 107940), (2570, 78582), (3084, 65485), (3598, 56130), (3742, 53970), (3855, 52388), (5140, 39291), (5397, 37420), (5613, 35980), (7196, 28065), (7484, 26985), (7710, 26194), (8995, 22452), (9355, 21588), (10794, 18710), (11226, 17990), (13097, 15420)]