82907020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2783

約数の個数: 72

約数和(自身を含む): 209139840

約数和(自身を除く): 126232820

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, 2729, 3038, 4340, 5458, 6076, 7595, 10916, 13645, 15190, 19103, 27290, 30380, 38206, 54580, 76412, 84599, 95515, 133721, 169198, 191030, 267442, 338396, 382060, 422995, 534884, 592193, 668605, 845990, 1184386, 1337210, 1691980, 2368772, 2674420, 2960965, 4145351, 5921930, 8290702, 11843860, 16581404, 20726755, 41453510, 82907020]

約数ペア:

[(1, 82907020), (2, 41453510), (4, 20726755), (5, 16581404), (7, 11843860), (10, 8290702), (14, 5921930), (20, 4145351), (28, 2960965), (31, 2674420), (35, 2368772), (49, 1691980), (62, 1337210), (70, 1184386), (98, 845990), (124, 668605), (140, 592193), (155, 534884), (196, 422995), (217, 382060), (245, 338396), (310, 267442), (434, 191030), (490, 169198), (620, 133721), (868, 95515), (980, 84599), (1085, 76412), (1519, 54580), (2170, 38206), (2729, 30380), (3038, 27290), (4340, 19103), (5458, 15190), (6076, 13645), (7595, 10916)]