212967380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 455460096

約数和(自身を除く): 242492716

約数列:

[1, 2, 4, 5, 10, 20, 97, 151, 194, 302, 388, 485, 604, 727, 755, 970, 1454, 1510, 1940, 2908, 3020, 3635, 7270, 14540, 14647, 29294, 58588, 70519, 73235, 109777, 141038, 146470, 219554, 282076, 292940, 352595, 439108, 548885, 705190, 1097770, 1410380, 2195540, 10648369, 21296738, 42593476, 53241845, 106483690, 212967380]

約数ペア:

[(1, 212967380), (2, 106483690), (4, 53241845), (5, 42593476), (10, 21296738), (20, 10648369), (97, 2195540), (151, 1410380), (194, 1097770), (302, 705190), (388, 548885), (485, 439108), (604, 352595), (727, 292940), (755, 282076), (970, 219554), (1454, 146470), (1510, 141038), (1940, 109777), (2908, 73235), (3020, 70519), (3635, 58588), (7270, 29294), (14540, 14647)]