285998320

素因数分解:

$2^4\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4261}}^1$

素因数の和:5113

約数の個数: 40

約数和(自身を含む): 665894880

約数和(自身を除く): 379896560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 839, 1678, 3356, 4195, 4261, 6712, 8390, 8522, 13424, 16780, 17044, 21305, 33560, 34088, 42610, 67120, 68176, 85220, 170440, 340880, 3574979, 7149958, 14299916, 17874895, 28599832, 35749790, 57199664, 71499580, 142999160, 285998320]

約数ペア:

[(1, 285998320), (2, 142999160), (4, 71499580), (5, 57199664), (8, 35749790), (10, 28599832), (16, 17874895), (20, 14299916), (40, 7149958), (80, 3574979), (839, 340880), (1678, 170440), (3356, 85220), (4195, 68176), (4261, 67120), (6712, 42610), (8390, 34088), (8522, 33560), (13424, 21305), (16780, 17044)]