28884940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10859}}^1$

素因数の和:10894

約数の個数: 48

約数和(自身を含む): 72979200

約数和(自身を除く): 44094260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10859, 21718, 43436, 54295, 76013, 108590, 152026, 206321, 217180, 304052, 380065, 412642, 760130, 825284, 1031605, 1444247, 1520260, 2063210, 2888494, 4126420, 5776988, 7221235, 14442470, 28884940]

約数ペア:

[(1, 28884940), (2, 14442470), (4, 7221235), (5, 5776988), (7, 4126420), (10, 2888494), (14, 2063210), (19, 1520260), (20, 1444247), (28, 1031605), (35, 825284), (38, 760130), (70, 412642), (76, 380065), (95, 304052), (133, 217180), (140, 206321), (190, 152026), (266, 108590), (380, 76013), (532, 54295), (665, 43436), (1330, 21718), (2660, 10859)]