399304290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{172859}}^1$

素因数の和:172887

約数の個数: 64

約数和(自身を含む): 1194808320

約数和(自身を除く): 795504030

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 172859, 345718, 518577, 864295, 1037154, 1210013, 1728590, 1901449, 2420026, 2592885, 3630039, 3802898, 5185770, 5704347, 6050065, 7260078, 9507245, 11408694, 12100130, 13310143, 18150195, 19014490, 26620286, 28521735, 36300390, 39930429, 57043470, 66550715, 79860858, 133101430, 199652145, 399304290]

約数ペア:

[(1, 399304290), (2, 199652145), (3, 133101430), (5, 79860858), (6, 66550715), (7, 57043470), (10, 39930429), (11, 36300390), (14, 28521735), (15, 26620286), (21, 19014490), (22, 18150195), (30, 13310143), (33, 12100130), (35, 11408694), (42, 9507245), (55, 7260078), (66, 6050065), (70, 5704347), (77, 5185770), (105, 3802898), (110, 3630039), (154, 2592885), (165, 2420026), (210, 1901449), (231, 1728590), (330, 1210013), (385, 1037154), (462, 864295), (770, 518577), (1155, 345718), (2310, 172859)]