447180890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2999}}^1$

素因数の和:3087

約数の個数: 64

約数和(自身を含む): 919296000

約数和(自身を除く): 472115110

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 185, 310, 370, 403, 481, 806, 962, 1147, 2015, 2294, 2405, 2999, 4030, 4810, 5735, 5998, 11470, 14911, 14995, 29822, 29990, 38987, 74555, 77974, 92969, 110963, 149110, 185938, 194935, 221926, 389870, 464845, 554815, 929690, 1109630, 1208597, 1442519, 2417194, 2885038, 3439853, 6042985, 6879706, 7212595, 12085970, 14425190, 17199265, 34398530, 44718089, 89436178, 223590445, 447180890]

約数ペア:

[(1, 447180890), (2, 223590445), (5, 89436178), (10, 44718089), (13, 34398530), (26, 17199265), (31, 14425190), (37, 12085970), (62, 7212595), (65, 6879706), (74, 6042985), (130, 3439853), (155, 2885038), (185, 2417194), (310, 1442519), (370, 1208597), (403, 1109630), (481, 929690), (806, 554815), (962, 464845), (1147, 389870), (2015, 221926), (2294, 194935), (2405, 185938), (2999, 149110), (4030, 110963), (4810, 92969), (5735, 77974), (5998, 74555), (11470, 38987), (14911, 29990), (14995, 29822)]