87127880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{44453}}^1$

素因数の和:44478

約数の個数: 48

約数和(自身を含む): 228049020

約数和(自身を除く): 140921140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 44453, 88906, 177812, 222265, 311171, 355624, 444530, 622342, 889060, 1244684, 1555855, 1778120, 2178197, 2489368, 3111710, 4356394, 6223420, 8712788, 10890985, 12446840, 17425576, 21781970, 43563940, 87127880]

約数ペア:

[(1, 87127880), (2, 43563940), (4, 21781970), (5, 17425576), (7, 12446840), (8, 10890985), (10, 8712788), (14, 6223420), (20, 4356394), (28, 3111710), (35, 2489368), (40, 2178197), (49, 1778120), (56, 1555855), (70, 1244684), (98, 889060), (140, 622342), (196, 444530), (245, 355624), (280, 311171), (392, 222265), (490, 177812), (980, 88906), (1960, 44453)]