1187752780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1\times {\mathrm{1597}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 2559535776

約数和(自身を除く): 1371782996

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 907, 1597, 1814, 3194, 3628, 4535, 6388, 7985, 9070, 15970, 18140, 31940, 37187, 65477, 74374, 130954, 148748, 185935, 261908, 327385, 371870, 654770, 743740, 1309540, 1448479, 2896958, 5793916, 7242395, 14484790, 28969580, 59387639, 118775278, 237550556, 296938195, 593876390, 1187752780]

約数ペア:

[(1, 1187752780), (2, 593876390), (4, 296938195), (5, 237550556), (10, 118775278), (20, 59387639), (41, 28969580), (82, 14484790), (164, 7242395), (205, 5793916), (410, 2896958), (820, 1448479), (907, 1309540), (1597, 743740), (1814, 654770), (3194, 371870), (3628, 327385), (4535, 261908), (6388, 185935), (7985, 148748), (9070, 130954), (15970, 74374), (18140, 65477), (31940, 37187)]