142501970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15439}}^1$

素因数の和:15530

約数の個数: 32

約数和(自身を含む): 280143360

約数和(自身を除く): 137641390

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 15439, 30878, 77195, 154390, 200707, 401414, 1003535, 1096169, 2007070, 2192338, 5480845, 10961690, 14250197, 28500394, 71250985, 142501970]

約数ペア:

[(1, 142501970), (2, 71250985), (5, 28500394), (10, 14250197), (13, 10961690), (26, 5480845), (65, 2192338), (71, 2007070), (130, 1096169), (142, 1003535), (355, 401414), (710, 200707), (923, 154390), (1846, 77195), (4615, 30878), (9230, 15439)]