77273980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2719}}^1$

素因数の和:2771

約数の個数: 72

約数和(自身を含む): 195350400

約数和(自身を除く): 118076420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2719, 2842, 4060, 5438, 5684, 7105, 10876, 13595, 14210, 19033, 27190, 28420, 38066, 54380, 76132, 78851, 95165, 133231, 157702, 190330, 266462, 315404, 380660, 394255, 532924, 551957, 666155, 788510, 1103914, 1332310, 1577020, 2207828, 2664620, 2759785, 3863699, 5519570, 7727398, 11039140, 15454796, 19318495, 38636990, 77273980]

約数ペア:

[(1, 77273980), (2, 38636990), (4, 19318495), (5, 15454796), (7, 11039140), (10, 7727398), (14, 5519570), (20, 3863699), (28, 2759785), (29, 2664620), (35, 2207828), (49, 1577020), (58, 1332310), (70, 1103914), (98, 788510), (116, 666155), (140, 551957), (145, 532924), (196, 394255), (203, 380660), (245, 315404), (290, 266462), (406, 190330), (490, 157702), (580, 133231), (812, 95165), (980, 78851), (1015, 76132), (1421, 54380), (2030, 38066), (2719, 28420), (2842, 27190), (4060, 19033), (5438, 14210), (5684, 13595), (7105, 10876)]