208871425

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 310730112

約数和(自身を除く): 101858687

約数列:

[1, 5, 7, 25, 35, 41, 43, 175, 205, 215, 287, 301, 677, 1025, 1075, 1435, 1505, 1763, 3385, 4739, 7175, 7525, 8815, 12341, 16925, 23695, 27757, 29111, 44075, 61705, 118475, 138785, 145555, 194299, 203777, 308525, 693925, 727775, 971495, 1018885, 1193551, 4857475, 5094425, 5967755, 8354857, 29838775, 41774285, 208871425]

約数ペア:

[(1, 208871425), (5, 41774285), (7, 29838775), (25, 8354857), (35, 5967755), (41, 5094425), (43, 4857475), (175, 1193551), (205, 1018885), (215, 971495), (287, 727775), (301, 693925), (677, 308525), (1025, 203777), (1075, 194299), (1435, 145555), (1505, 138785), (1763, 118475), (3385, 61705), (4739, 44075), (7175, 29111), (7525, 27757), (8815, 23695), (12341, 16925)]