91540820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3221}}^1$

素因数の和:3273

約数の個数: 72

約数和(自身を含む): 231404040

約数和(自身を除く): 139863220

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, 2842, 3221, 4060, 5684, 6442, 7105, 12884, 14210, 16105, 22547, 28420, 32210, 45094, 64420, 90188, 93409, 112735, 157829, 186818, 225470, 315658, 373636, 450940, 467045, 631316, 653863, 789145, 934090, 1307726, 1578290, 1868180, 2615452, 3156580, 3269315, 4577041, 6538630, 9154082, 13077260, 18308164, 22885205, 45770410, 91540820]

約数ペア:

[(1, 91540820), (2, 45770410), (4, 22885205), (5, 18308164), (7, 13077260), (10, 9154082), (14, 6538630), (20, 4577041), (28, 3269315), (29, 3156580), (35, 2615452), (49, 1868180), (58, 1578290), (70, 1307726), (98, 934090), (116, 789145), (140, 653863), (145, 631316), (196, 467045), (203, 450940), (245, 373636), (290, 315658), (406, 225470), (490, 186818), (580, 157829), (812, 112735), (980, 93409), (1015, 90188), (1421, 64420), (2030, 45094), (2842, 32210), (3221, 28420), (4060, 22547), (5684, 16105), (6442, 14210), (7105, 12884)]