197782620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67273}}^1$

素因数の和:67299

約数の個数: 72

約数和(自身を含む): 644215824

約数和(自身を除く): 446433204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 67273, 134546, 201819, 269092, 336365, 403638, 470911, 672730, 807276, 941822, 1009095, 1345460, 1412733, 1883644, 2018190, 2354555, 2825466, 3296377, 4036380, 4709110, 5650932, 6592754, 7063665, 9418220, 9889131, 13185508, 14127330, 16481885, 19778262, 28254660, 32963770, 39556524, 49445655, 65927540, 98891310, 197782620]

約数ペア:

[(1, 197782620), (2, 98891310), (3, 65927540), (4, 49445655), (5, 39556524), (6, 32963770), (7, 28254660), (10, 19778262), (12, 16481885), (14, 14127330), (15, 13185508), (20, 9889131), (21, 9418220), (28, 7063665), (30, 6592754), (35, 5650932), (42, 4709110), (49, 4036380), (60, 3296377), (70, 2825466), (84, 2354555), (98, 2018190), (105, 1883644), (140, 1412733), (147, 1345460), (196, 1009095), (210, 941822), (245, 807276), (294, 672730), (420, 470911), (490, 403638), (588, 336365), (735, 269092), (980, 201819), (1470, 134546), (2940, 67273)]