199721190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7823}}^1$

素因数の和:7893

約数の個数: 64

約数和(自身を含む): 513755136

約数和(自身を除く): 314033946

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 345, 370, 555, 690, 851, 1110, 1702, 2553, 4255, 5106, 7823, 8510, 12765, 15646, 23469, 25530, 39115, 46938, 78230, 117345, 179929, 234690, 289451, 359858, 539787, 578902, 868353, 899645, 1079574, 1447255, 1736706, 1799290, 2698935, 2894510, 4341765, 5397870, 6657373, 8683530, 13314746, 19972119, 33286865, 39944238, 66573730, 99860595, 199721190]

約数ペア:

[(1, 199721190), (2, 99860595), (3, 66573730), (5, 39944238), (6, 33286865), (10, 19972119), (15, 13314746), (23, 8683530), (30, 6657373), (37, 5397870), (46, 4341765), (69, 2894510), (74, 2698935), (111, 1799290), (115, 1736706), (138, 1447255), (185, 1079574), (222, 899645), (230, 868353), (345, 578902), (370, 539787), (555, 359858), (690, 289451), (851, 234690), (1110, 179929), (1702, 117345), (2553, 78230), (4255, 46938), (5106, 39115), (7823, 25530), (8510, 23469), (12765, 15646)]