88769380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 218332800

約数和(自身を除く): 129563420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 379, 478, 490, 758, 956, 980, 1195, 1516, 1673, 1895, 2390, 2653, 3346, 3790, 4780, 5306, 6692, 7580, 8365, 10612, 11711, 13265, 16730, 18571, 23422, 26530, 33460, 37142, 46844, 53060, 58555, 74284, 90581, 92855, 117110, 181162, 185710, 234220, 362324, 371420, 452905, 634067, 905810, 1268134, 1811620, 2536268, 3170335, 4438469, 6340670, 8876938, 12681340, 17753876, 22192345, 44384690, 88769380]

約数ペア:

[(1, 88769380), (2, 44384690), (4, 22192345), (5, 17753876), (7, 12681340), (10, 8876938), (14, 6340670), (20, 4438469), (28, 3170335), (35, 2536268), (49, 1811620), (70, 1268134), (98, 905810), (140, 634067), (196, 452905), (239, 371420), (245, 362324), (379, 234220), (478, 185710), (490, 181162), (758, 117110), (956, 92855), (980, 90581), (1195, 74284), (1516, 58555), (1673, 53060), (1895, 46844), (2390, 37142), (2653, 33460), (3346, 26530), (3790, 23422), (4780, 18571), (5306, 16730), (6692, 13265), (7580, 11711), (8365, 10612)]