278301170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{209249}}^1$

素因数の和:209282

約数の個数: 32

約数和(自身を含む): 602640000

約数和(自身を除く): 324338830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 209249, 418498, 1046245, 1464743, 2092490, 2929486, 3975731, 7323715, 7951462, 14647430, 19878655, 27830117, 39757310, 55660234, 139150585, 278301170]

約数ペア:

[(1, 278301170), (2, 139150585), (5, 55660234), (7, 39757310), (10, 27830117), (14, 19878655), (19, 14647430), (35, 7951462), (38, 7323715), (70, 3975731), (95, 2929486), (133, 2092490), (190, 1464743), (266, 1046245), (665, 418498), (1330, 209249)]