210016940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 108

約数和(自身を含む): 532502208

約数和(自身を除く): 322485268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 223, 245, 310, 434, 446, 490, 620, 868, 892, 961, 980, 1085, 1115, 1519, 1561, 1922, 2170, 2230, 3038, 3122, 3844, 4340, 4460, 4805, 6076, 6244, 6727, 6913, 7595, 7805, 9610, 10927, 13454, 13826, 15190, 15610, 19220, 21854, 26908, 27652, 30380, 31220, 33635, 34565, 43708, 47089, 48391, 54635, 67270, 69130, 94178, 96782, 109270, 134540, 138260, 188356, 193564, 214303, 218540, 235445, 241955, 338737, 428606, 470890, 483910, 677474, 857212, 941780, 967820, 1071515, 1354948, 1500121, 1693685, 2143030, 3000242, 3387370, 4286060, 6000484, 6774740, 7500605, 10500847, 15001210, 21001694, 30002420, 42003388, 52504235, 105008470, 210016940]

約数ペア:

[(1, 210016940), (2, 105008470), (4, 52504235), (5, 42003388), (7, 30002420), (10, 21001694), (14, 15001210), (20, 10500847), (28, 7500605), (31, 6774740), (35, 6000484), (49, 4286060), (62, 3387370), (70, 3000242), (98, 2143030), (124, 1693685), (140, 1500121), (155, 1354948), (196, 1071515), (217, 967820), (223, 941780), (245, 857212), (310, 677474), (434, 483910), (446, 470890), (490, 428606), (620, 338737), (868, 241955), (892, 235445), (961, 218540), (980, 214303), (1085, 193564), (1115, 188356), (1519, 138260), (1561, 134540), (1922, 109270), (2170, 96782), (2230, 94178), (3038, 69130), (3122, 67270), (3844, 54635), (4340, 48391), (4460, 47089), (4805, 43708), (6076, 34565), (6244, 33635), (6727, 31220), (6913, 30380), (7595, 27652), (7805, 26908), (9610, 21854), (10927, 19220), (13454, 15610), (13826, 15190)]