82420940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2713}}^1$

素因数の和:2767

約数の個数: 72

約数和(自身を含む): 207914112

約数和(自身を除く): 125493172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2713, 3038, 4340, 5426, 6076, 7595, 10852, 13565, 15190, 18991, 27130, 30380, 37982, 54260, 75964, 84103, 94955, 132937, 168206, 189910, 265874, 336412, 379820, 420515, 531748, 588721, 664685, 841030, 1177442, 1329370, 1682060, 2354884, 2658740, 2943605, 4121047, 5887210, 8242094, 11774420, 16484188, 20605235, 41210470, 82420940]

約数ペア:

[(1, 82420940), (2, 41210470), (4, 20605235), (5, 16484188), (7, 11774420), (10, 8242094), (14, 5887210), (20, 4121047), (28, 2943605), (31, 2658740), (35, 2354884), (49, 1682060), (62, 1329370), (70, 1177442), (98, 841030), (124, 664685), (140, 588721), (155, 531748), (196, 420515), (217, 379820), (245, 336412), (310, 265874), (434, 189910), (490, 168206), (620, 132937), (868, 94955), (980, 84103), (1085, 75964), (1519, 54260), (2170, 37982), (2713, 30380), (3038, 27130), (4340, 18991), (5426, 15190), (6076, 13565), (7595, 10852)]